The area of a triangle is 5 square decimeters, the height is 2.5 decimeters, what is its base
一个三角形的面积是5平方分米，高是2.5分米，它的底是多少分米
<gadget id="calculator">2 / 2.5</gadget>
<output>0.8</output>

<gadget id="calculator">5 * 0.8</gadget>
<output>4</output>

<result>4</result>