The school saved (1/7) more water in October than in September, and used 8 tons more water in September than in October. How many tons of water was used in October?
学校十月份比九月份节约了(1/7)，九月份比十月份多用水8吨，十月份用水多少吨？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">8 / (1/7)</gadget>
<output>56</output>

<gadget id="calculator">56 - 8</gadget>
<output>48</output>

<result>48</result>