The area of a triangle is 16 square meters, the height is 8 decimeters, and the base is how many decimeters.
一个三角形的面积是16平方米，高是8分米，底是多少分米．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">16 * 100 * (1/4)</gadget>
<output>400</output>

<result>400</result>