The upper base of the trapezoid is 2.4 meters, the lower base is 3 meters, and the height is 1.5 meters. What is its area in square meters?
梯形的上底是2.4米，下底3米，高1.5米，它的面积是多少平方米？
<gadget id="calculator">2.4 + 3</gadget>
<output>5.4</output>

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

<gadget id="calculator">5.4 * 0.75</gadget>
<output>4.05</output>

<result>4.05</result>