Red Rain Supermarket shipped 800 kilograms of rice. 24 bags of 15 kg are sold, how many kg are left?
红雨超市运来大米800千克．卖出24袋，每袋15千克，还剩下多少千克？
<gadget id="calculator">24 * 15</gadget>
<output>360</output>

<gadget id="calculator">800 - 360</gadget>
<output>440</output>

<result>440</result>