The cafeteria shipped 6 tons of rice and ate 2,000 kilograms in the first week. How many tons are left now?
食堂运来了6吨大米，第一周吃了2000千克，现在还剩多少吨？
<gadget id="calculator">2_000 / 1_000</gadget>
<output>2</output>

<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<result>4</result>