The area of a triangle is 16.8m**2 and its base is 8.4m. How many meters is it high?
一个三角形的面积是16.8m**2，它的底边是8.4m．它的高是多少米．
<gadget id="calculator">2 / 8.4</gadget>
<output>0.238095</output>

<gadget id="calculator">16.8 * 0.238095</gadget>
<output>3.999996</output>

<result>3.999996</result>