\left. \begin{array} { l } { 2.8 - 3.16 + 4.1 \text { of } 3.7 \div 5 + 6 - 3.326 } \\ { 0.2 \text { of } ( 1.7 + 1.1 ) + 1.84 - 7.36 \div 3.2 } \end{array} \right.
Evaluate
\frac{1517fo+1157}{500},\ \frac{14fo}{25}-0.46
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