There is a rectangular vegetable field with a length of 8 meters and a width of 6 meters. If each square meter of the vegetable field can harvest 15 kilograms of vegetables, how many kilograms of vegetables can this field harvest in total?
有一块长方形的菜地，长8米，宽6米，如果每平方米的菜地能收菜15千克，这块地共能收菜多少千克？
<gadget id="calculator">8 * 6 * 15</gadget>
<output>720</output>

<result>720</result>