There is a pile of coal that used to burn 1.6 tons per day and can be burned for 35 days. Due to the adoption of coal-saving measures, the amount of coal burned per day is reduced to the original (7/8), so how many days can this pile of coal be burned now? (answer with ratio)
有一堆煤，原来每天烧1.6吨，可以烧35天，由于采取了节煤措施，每天烧煤量降低到原来的(7/8)，这样，这堆煤现在可以烧几天？(用比例解答)
<gadget id="calculator">1.6 * 35</gadget>
<output>56</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1.6 * (7/8)</gadget>
<output>1.4</output>

<gadget id="calculator">56 / 1.4</gadget>
<output>40</output>

<result>40</result>