One car can transport 200 kilograms of goods at a time, how many kilograms of goods can two cars transport 4 times.
一辆车一次可以运200千克货物，两辆车4次可以运多少千克货物．
<gadget id="calculator">200 * 2 * 4</gadget>
<output>1_600</output>

<result>1_600</result>