Given that the area of a triangle is 100 square centimeters and the height is 10 centimeters, find the base.
已知三角形的面积是100平方厘米，高是10厘米，求底．
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 * (1/5)</gadget>
<output>20</output>

<result>20</result>