A cylinder with a base radius of 5 cm and a side profile that is a square, what is its surface area?
一个圆柱的底面半径是5厘米，侧面展开图是正方形，它的表面积是多少？
<gadget id="calculator">3.14 * 5 * 2</gadget>
<output>31.4</output>

<gadget id="calculator">31.4 * 31.4</gadget>
<output>985.96</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25 * 2</gadget>
<output>157</output>

<gadget id="calculator">985.96 + 157</gadget>
<output>1_142.96</output>

<result>1_142.96</result>