The naughty man used 14 tons of water in August, which was 1/6 more than in September. How many tons of water was used in September?
淘气家八月用水14吨，比九月多用了(1/6)，九月用水多少吨？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">14 / (7/6)</gadget>
<output>12</output>

<result>12</result>