A winery used 210 tons of coal in April, saving (5/8) compared to March. How many tons of coal was used in March? (equation solution)
某酒厂四月份用煤210吨，比三月份节约了(5/8)，三月份用煤多少吨？(方程解)
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">210 / (3/8)</gadget>
<output>560</output>

<result>560</result>