Happiness Primary School launched water conservation activities. The water consumption in October was 512 tons, and the water consumption in November was 1/4 less than that in October. The water consumption in December was equivalent to that in November (5/8). How many tons of water was used in December?
幸福小学开展节约用水活动．十月份用水512吨，十一月份比十月份节约了(1/4)，十二月份用水量相当于十一月份用的(5/8)，十二月份用水多少吨？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">512 * (3/4) * (5/8)</gadget>
<output>240</output>

<result>240</result>