The area of a triangle is 18 square decimeters, the base is 6 decimeters, what is the height?
一个三角形的面积是18平方分米，底6分米，高是多少．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (1/3)</gadget>
<output>6</output>

<result>6</result>