Power plants use 3 tons of coal per day. How many tons of coal will be shared in the third quarter of this year?
发电厂，每天用煤3吨，今年的第三季度共用煤多少吨？
<gadget id="calculator">31 + 31 + 30</gadget>
<output>92</output>

<gadget id="calculator">3 * 92</gadget>
<output>276</output>

<result>276</result>