A batch of apples is shipped from the orchard, and 4 cars are rented, and each car is transported 3 times, and each car transports 400 kg each time. How many kg of apples are shipped in total?
果园里运出一批苹果，租了4辆车，每辆车运3次，每车每次运400千克，共运出苹果多少千克？
<gadget id="calculator">400 * 3 * 4</gadget>
<output>4_800</output>

<result>4_800</result>