The sum of the upper and lower bases of a trapezoid is 2.4 cm, and the height is 0.8 cm. What is its area?
一个梯形的上、下底的和是2.4cm，高是0.8cm．它的面积是多少？
<gadget id="calculator">0.8 / 2</gadget>
<output>0.4</output>

<gadget id="calculator">2.4 * 0.4</gadget>
<output>0.96</output>

<result>0.96</result>