The area of a trapezoid is 96 square meters, the height is 12 meters, the upper base is 5 meters, and the lower base is how many meters.
一个梯形的面积是96平方米，高是12米，上底是5米，下底是多少米．
<gadget id="calculator">2 / 12</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">96 * (1/6)</gadget>
<output>16</output>

<gadget id="calculator">16 - 5</gadget>
<output>11</output>

<result>11</result>