A factory used 240.5 tons of coal in the second half of the year, 24.36 tons more than in the first half of the year. How many tons of coal does this factory share throughout the year?
某工厂下半年用煤240.5吨，比上半年多用24.36吨，这个工厂全年共用煤多少吨？
<gadget id="calculator">240.5 - 24.36</gadget>
<output>216.14</output>

<gadget id="calculator">216.14 + 240.5</gadget>
<output>456.64</output>

<result>456.64</result>