The school cafeteria bought 850 kilograms of rice and transported 3 trucks, leaving 100 kilograms. How many kilograms are transported by each car on average for 3 cars?
学校食堂买来大米850千克，运了3车，还剩100千克．3车平均每车运多少千克？
<gadget id="calculator">850 - 100</gadget>
<output>750</output>

<gadget id="calculator">750 / 3</gadget>
<output>250</output>

<result>250</result>