If two identical trapezoids form a parallelogram with an area of 120 square centimeters, what is the area of each trapezoid in square centimeters?
两个完全一样的梯形拼成的一个面积是120平方厘米的平行四边形，每个梯形的面积是多少平方厘米．
<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<result>60</result>