The area of a triangle is 15 square meters, the length of its base is 6 meters, and its height is in meters.
一块三角形地的面积是15平方米，它的底边长是6米，它的高是多少米．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<result>5</result>