The area of a triangle is 14 square meters, the base is 7 meters, what is its height in meters?
三角形的面积是14平方米，底是7米，它的高是多少米．
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">14 * (2/7)</gadget>
<output>4</output>

<result>4</result>