The lateral area of a cylinder is 100 square centimeters, and the radius of the base of the cylinder is equal to the height, what is the surface area of the cylinder in square centimeters?
一个圆柱侧面积100平方厘米，这个圆柱的底面半径和高相等，求这个圆柱的表面积是多少平方厘米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 * (1/2) * 100</gadget>
<output>100</output>

<gadget id="calculator">100 + 100</gadget>
<output>200</output>

<result>200</result>