The area of a triangle is 1.8 square meters, the height is 1.2 meters, and the base is in meters.
一个三角形的面积是1.8平方米，高是1.2米，底是多少米．
<gadget id="calculator">2 / 1.2</gadget>
<output>1.666667</output>

<gadget id="calculator">1.8 * 1.666667</gadget>
<output>3.000001</output>

<result>3.000001</result>