1 ton of apples has been shipped from the fruit wholesale market, and 700 kilograms have been sold. How many kilograms of apples are left?
水果批发市场运来了1吨苹果，已经卖了700千克，还剩下多少千克苹果？
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 700</gadget>
<output>300</output>

<result>300</result>