There are 120 tons of coal in the cafeteria, which have been burned for 52 days, an average of 1.5 tons per day. If the remaining coal is burned 1.2 tons per day, how many days can it be burned?
食堂有煤120吨，已烧了52天，平均每天烧1.5吨．剩下的煤如果每天烧1.2吨，还可以烧多少天？
<gadget id="calculator">1.5 * 52</gadget>
<output>78</output>

<gadget id="calculator">120 - 78</gadget>
<output>42</output>

<gadget id="calculator">42 / 1.2</gadget>
<output>35</output>

<result>35</result>