The area of a triangle is 19.2 square centimeters, the height is 8 centimeters, and the base is in centimeters.
一个三角形的面积是19.2平方厘米，高是8厘米，底是多少厘米．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">19.2 * (1/4)</gadget>
<output>4.8</output>

<result>4.8</result>