A triangular vegetable field has a base of 12m and a height of 8m. If cabbage can be harvested per square meter, how many kilograms of cabbage can be harvested in the whole field?
一块三角形菜地，底是12m，高是8m，如果种白菜，每平方米可收6.5千克，那么整块地可收多少千克白菜？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">12 * 4 * 6.5</gadget>
<output>312</output>

<result>312</result>