Evaluate
\frac{3969\left(\sqrt{2}+1\right)}{50}\approx 191.640272581
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2\left(1+\sqrt{2}\right)\times 39.69
Calculate 6.3 to the power of 2 and get 39.69.
79.38\left(1+\sqrt{2}\right)
Multiply 2 and 39.69 to get 79.38.
79.38+79.38\sqrt{2}
Use the distributive property to multiply 79.38 by 1+\sqrt{2}.
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