If the sum of the upper and lower bases of a trapezoid is 14.6 cm and the height is 5 cm, what is the area in square centimeters
如果一个梯形上底与下底的和是14.6厘米，高是5厘米，面积是多少平方厘米
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">14.6 * (5/2)</gadget>
<output>36.5</output>

<result>36.5</result>