The area of a triangle is 12.4 square meters, the height is 0.8 meters, what is the base?
一个三角形的面积是12.4平方米，高是0.8米，底是多少．
<gadget id="calculator">2 / 0.8</gadget>
<output>2.5</output>

<gadget id="calculator">12.4 * 2.5</gadget>
<output>31</output>

<result>31</result>