A factory used 125 tons of coal in May, which was 2.5 times the amount of coal used in April. How many tons of coal were shared between April and May?
某工厂五月份用煤125吨，是四月份用煤量的2.5倍，四月份和五月份共用煤多少吨？
<gadget id="calculator">125 / 2.5</gadget>
<output>50</output>

<gadget id="calculator">125 + 50</gadget>
<output>175</output>

<result>175</result>