The store shipped 5 tons of salt, sold 1000 kg on the first day, and 800 kg on the second day. How many kilograms of salt does the store have left?
商店共运来5吨盐，第=天卖出1000千克，第二天卖出800千克．商店还有盐多少千克？
<gadget id="calculator">5 * 1_000</gadget>
<output>5_000</output>

<gadget id="calculator">1_000 + 800</gadget>
<output>1_800</output>

<gadget id="calculator">5_000 - 1_800</gadget>
<output>3_200</output>

<result>3_200</result>