A truck can transport 2 tons and 50 kilograms of goods at a time, and 4 of the same trucks, how many kilograms of goods can be transported at a time.
一辆卡车一次能运货2吨50千克，同样的卡车4辆，一次运货多少千克．
<gadget id="calculator">2_050 * 4</gadget>
<output>8_200</output>

<result>8_200</result>