There is a trapezoidal experimental field on campus, with an upper base of 8 meters, a lower base of 10 meters, and a height of 8 meters. It can plant 10 cabbages per square meter. How many cabbages can be planted in this land?
校园里有一块近似于梯形的实验田，上底8米，下底10米，高8米，每平方米可以栽白菜10棵，这块地一共可以栽白菜多少棵？
<gadget id="calculator">8 + 10</gadget>
<output>18</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">18 * 4 * 10</gadget>
<output>720</output>

<result>720</result>