It is known that the upper base of the trapezoid is 12 cm, the lower base is 8 cm, and the area is 150 cm2, what is the height of the trapezoid in cm
已知梯形的上底是12厘米，下底是8厘米，面积是150平方厘米，那么梯形的高是多少厘米
<gadget id="calculator">8 + 12</gadget>
<output>20</output>

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">150 * (1/10)</gadget>
<output>15</output>

<result>15</result>