A, B, C, and D jointly buy a big boat, A buys the sum of the other three (1/3), B buys the sum of the other three (1/5), and C buys the sum of the other three (1/2) , Ding paid 90,000 yuan, how much is this big boat?
甲乙丙丁四人合买一条大船，甲出了其余三人和的(1/3)，乙出了其余三人和的(1/5)，丙出了其余三人和的(1/2)，丁出了9万元，这条大船共多少元？
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

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

<gadget id="calculator">1 - (1/4) - (1/6) - (1/3)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">9 / (1/4)</gadget>
<output>36</output>

<result>36</result>