The school canteen bought 2.5 tons of rice, ate 0.24 tons in September, and ate 0.6 tons in October and November. How many tons of rice are left in the canteen?
学校食堂买了2.5吨米，九月吃了0.24吨，十月和十一月一共吃了0.6吨，食堂还剩多少吨米没有吃？
<gadget id="calculator">0.24 + 0.6</gadget>
<output>0.84</output>

<gadget id="calculator">2.5 - 0.84</gadget>
<output>1.66</output>

<result>1.66</result>