The area of a triangle is 28 square meters, the height is 8 meters, what is the base?
一个三角形的面积是28平方米，高是8米，底是多少．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">28 * (1/4)</gadget>
<output>7</output>

<result>7</result>