The area of a triangle is 12 square meters, the base is 4.8 meters, and the height is in meters.
一个三角形的面积是12平方米，底是4.8米，高是多少米．
<gadget id="calculator">2 / 4.8</gadget>
<output>0.416667</output>

<gadget id="calculator">12 * 0.416667</gadget>
<output>5.000004</output>

<result>5.000004</result>