The area of a triangle is 48 square centimeters, the base is 0.4 centimeters, and the height is centimeters.
一个三角形的面积是48平方厘米，底是0.4厘米，高多少厘米．
<gadget id="calculator">2 / 0.4</gadget>
<output>5</output>

<gadget id="calculator">48 * 5</gadget>
<output>240</output>

<result>240</result>