The area of a triangle is 12 square decimeters, the base is 4 decimeters, what is the height?
一块三角形的面积是12平方分米，底是4分米，高是多少分米？
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 * (1/2)</gadget>
<output>6</output>

<result>6</result>