The upper base of a trapezoid is 25 meters, the lower base is 1.6 times the upper base, and the height is 10 meters. What is the area of the trapezoid in square meters?
一个梯形的上底是25米，下底是上底的1.6倍，高是10米，这个梯形的面积是多少平方米？
<gadget id="calculator">25 * 1.6</gadget>
<output>40</output>

<gadget id="calculator">25 + 40</gadget>
<output>65</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">65 * 5</gadget>
<output>325</output>

<result>325</result>