The area of a triangle is 24cm**2, the height is 4cm, and the base is m.
一个三角形面积是24cm**2，高是4cm，底是多少m．
<gadget id="calculator">2 / 4 / 100</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">24 * (1/200)</gadget>
<output>3/25 = around 0.12</output>

<result>3/25 = around 0.12</result>