The upper base of a trapezoid is 2.6 meters, the lower base is 4.8 meters, and the height is 1.5 meters. What is the area of the trapezoid in square meters?
一个梯形的上底是2.6米，下底是4.8米，高是1.5米，那么这个梯形的面积是多少平方米．
<gadget id="calculator">2.6 + 4.8</gadget>
<output>7.4</output>

<gadget id="calculator">1.5 / 2</gadget>
<output>0.75</output>

<gadget id="calculator">7.4 * 0.75</gadget>
<output>5.55</output>

<result>5.55</result>