The cafeteria burns 100 tons more coal in April than in May, and saves (1/10) in May compared with April. How many tons of coal is burned in the cafeteria in May?
食堂四月份比五月份多烧煤100吨，五月份比四月份节约(1/10)，食堂五月份烧煤多少吨？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">100 / (1/10)</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 100</gadget>
<output>900</output>

<result>900</result>