The area of a triangle is 30 square centimeters, the base is 6 centimeters, what is the height?
一个三角形的面积是30平方厘米，底是6厘米，高是多少．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>