The area of a trapezoid is 48 square decimeters, the sum of the upper and lower bases is 8 decimeters, what is the height in decimeters?
一个梯形的面积是48平方分米，上底和下底的和是8分米，那么高是多少分米．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 * (1/4)</gadget>
<output>12</output>

<result>12</result>