The school shipped 2 tons of coal, and it has been burned for 5 days, 187 kilograms per day, how many kilograms are left?
学校运来2吨煤，已经烧了5天，每天烧187千克，还剩多少千克？
<gadget id="calculator">2 * 1_000</gadget>
<output>2_000</output>

<gadget id="calculator">187 * 5</gadget>
<output>935</output>

<gadget id="calculator">2_000 - 935</gadget>
<output>1_065</output>

<result>1_065</result>