Four brothers go together to buy birthday presents for their mother. The eldest spends (1/2) the total amount spent by the other three, and the second child spends (1/3) the total amount spent by the other three. ), the money spent by the third child is (1/4) of the total amount spent by the other three people, and the fourth child spent 65 yuan. How much did the four brothers spend in total?
兄弟四人一起去为母亲买生日礼物，老大花的钱是另外三个人所花的钱总数的(1/2)，老二花的钱是另外三个人所花的钱总数的(1/3)，老三花的钱是另外三个人所花的钱总数的(1/4)，老四花了65元钱．兄弟四人一共花了多少元钱？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

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

<gadget id="calculator">(1/3) + (1/4) + (1/5)</gadget>
<output>47/60 = around 0.783333</output>

<gadget id="calculator">1 - (47/60)</gadget>
<output>13/60 = around 0.216667</output>

<gadget id="calculator">65 / (13/60)</gadget>
<output>300</output>

<result>300</result>