There is a trapezoidal land, the upper base is 15 meters long, the lower base is 20 meters long, and the height is 6 meters. If wheat is grown in this field, if the average yield per square meter is 0.6 kilograms of wheat, how many kilograms of wheat can be harvested in this field?
有一块梯形土地，上底长15米，下底长20米，高是6米．在这块地里种小麦，如果平均每平方米收0.6千克小麦，这块地一共能收多少千克小麦？
<gadget id="calculator">15 + 20</gadget>
<output>35</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">35 * 3 * 0.6</gadget>
<output>63</output>

<result>63</result>