If one person has rice, he will collect (1/3) for the first time when passing the tariff, the remaining (1/5) for the second time, and the remaining (1/7) for the third time, and there are 5 buckets of rice left. How many buckets of rice are there?
一人有米，过关税时第一次收取(1/3)，第二次收取剩下的(1/5)，第三次收取剩下的(1/7)，还剩5斗米，问原有几斗米？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 / (6/7) / (4/5) / (2/3)</gadget>
<output>175/16 = around 10.9375</output>

<result>175/16 = around 10.9375</result>