The area of a triangle is 7.5 square decimeters, the height is 1.5 decimeters, and the base is in meters.
一个三角形的面积是7.5平方分米，高是1.5分米，底是多少米．
<gadget id="calculator">2 / 1.5</gadget>
<output>1.333333</output>

<gadget id="calculator">7.5 * 1.333333</gadget>
<output>9.999998</output>

<gadget id="calculator">9.999998 / 9.999998</gadget>
<output>1</output>

<result>1</result>