In a trapezoidal vegetable field, the sum of the lengths of the two bases is 48.5 meters and the height is 11.2 meters. If an average of 22.5 kilograms of cabbage can be harvested per square meter, how many kilograms of cabbage can be harvested in the entire vegetable field?
一块梯形菜地，两底长度之和为48.5米，高是11.2米，如果平均每平方米可收22.5千克白菜，整块菜地可收多少千克白菜？
<gadget id="calculator">11.2 / 2</gadget>
<output>5.6</output>

<gadget id="calculator">48.5 * 5.6 * 22.5</gadget>
<output>6_111</output>

<result>6_111</result>