The area of the triangle is 1.2 square meters, the base is 0.4 meters, and the height is in meters.
三角形的面积是1.2平方米，底是0.4米，高是多少米．
<gadget id="calculator">2 / 0.4</gadget>
<output>5</output>

<gadget id="calculator">1.2 * 5</gadget>
<output>6</output>

<result>6</result>