There were 328 tons of coal in the school cafeteria, and 80 tons were burned in 5 days. According to this calculation, how many days can the remaining coal be burned?
学校食堂有328吨煤，5天烧了80吨．照这样计算，剩下的煤还可以烧几天？
<gadget id="calculator">328 - 80</gadget>
<output>248</output>

<gadget id="calculator">80 / 5</gadget>
<output>16</output>

<gadget id="calculator">248 / 16</gadget>
<output>31/2 = around 15.5</output>

<result>31/2 = around 15.5</result>