Two identical right-angled trapezoids are put together to form a rectangle with an area of 300 square centimeters. What is the area of one of the trapezoids in square centimeters?
两个完全一样的直角梯形拼成一个长方形，面积是300平方厘米，其中一个梯形的面积是多少平方厘米．
<gadget id="calculator">300 / 2</gadget>
<output>150</output>

<result>150</result>