Evaluate
126
Factor
2\times 7\times 3^{2}
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\frac{\frac{4}{3}\times 10.5\times 10.5\times 10.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Cancel out \pi in both numerator and denominator.
\frac{\frac{4}{3}\times \frac{21}{2}\times 10.5\times 10.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Convert decimal number 10.5 to fraction \frac{105}{10}. Reduce the fraction \frac{105}{10} to lowest terms by extracting and canceling out 5.
\frac{\frac{4\times 21}{3\times 2}\times 10.5\times 10.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Multiply \frac{4}{3} times \frac{21}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{84}{6}\times 10.5\times 10.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Do the multiplications in the fraction \frac{4\times 21}{3\times 2}.
\frac{14\times 10.5\times 10.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Divide 84 by 6 to get 14.
\frac{147\times 10.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Multiply 14 and 10.5 to get 147.
\frac{1543.5}{\frac{1}{3}\times 3\times 3.5\times 3.5}
Multiply 147 and 10.5 to get 1543.5.
\frac{1543.5}{3.5\times 3.5}
Cancel out 3 and 3.
\frac{1543.5}{12.25}
Multiply 3.5 and 3.5 to get 12.25.
\frac{154350}{1225}
Expand \frac{1543.5}{12.25} by multiplying both numerator and the denominator by 100.
126
Divide 154350 by 1225 to get 126.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}