The experimental primary school carried out water-saving activities. In June, 160 tons of water was used, which happened to be (5/8) of the water consumption in May. How many tons of water was used in May?
实验小学开展节水活动，六月份用水160吨，正好是五月份用水量的(5/8)，五月份用水多少吨？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">160 / (5/8)</gadget>
<output>256</output>

<result>256</result>