There are 136 tons of coal in the Ezhou Power Plant, and 56 tons were burned in 7 days. According to this calculation, how many days can this batch of coal be burned?
鄂州电厂里有136吨煤，7天烧了56吨，照这样计算，这批煤可烧多少天？
<gadget id="calculator">136 * 7</gadget>
<output>952</output>

<gadget id="calculator">952 / 56</gadget>
<output>17</output>

<result>17</result>