The canteen has 340 kg of rice, 87 kg was used on the first day, and 152 kg was used on the second day. How many kilograms of rice are left?
食堂有大米340千克，第一天用去87千克，第二天用去152千克．还剩多少千克大米？
<gadget id="calculator">87 + 152</gadget>
<output>239</output>

<gadget id="calculator">340 - 239</gadget>
<output>101</output>

<result>101</result>