The area of a triangular vegetable field is 90 square meters, the height is 12 meters, how many meters is the bottom?
一块三角形菜地的面积是90平方米，高是12米，底是多少米？
<gadget id="calculator">2 / 12</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">90 * (1/6)</gadget>
<output>15</output>

<result>15</result>