A parallelogram-shaped vegetable field has a base of 12.8 meters and a height of 2.5 meters. It is estimated that it can harvest 3.2 kilograms of vegetables per square meter. How many kilograms of vegetables are expected to be harvested in this field?
一块平行四边形的菜地，它的底是12.8米，高是2.5米，每平方米预计能收蔬菜3.2千克，这块地预计一共能收蔬菜多少千克？
<gadget id="calculator">12.8 * 2.5 * 3.2</gadget>
<output>102.4</output>

<result>102.4</result>