A piece of pepper in a trapezoidal vegetable field. The upper base of the land is 25 meters, the lower base is 10 meters longer than the upper base, and the height is 1 meter lower than the upper base. If 3 kilograms of peppers are harvested per square meter, how many kilograms of peppers can be harvested in this land?
一块梯形菜地中辣椒．这块地的上底是25米，下底比上底长10米，高比上底少1米．如果每平方米收辣椒3千克，这块地共能收辣椒多少千克？
<gadget id="calculator">10 + 25</gadget>
<output>35</output>

<gadget id="calculator">25 + 35</gadget>
<output>60</output>

<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">60 * 12</gadget>
<output>720</output>

<gadget id="calculator">720 * 3</gadget>
<output>2_160</output>

<result>2_160</result>