Four brothers go to buy a TV set together. The eldest brother brings half of the money of the other three people, the second brother brings one-third of the total money of the other three people (1/3), and the third brother brings money It is 1/4 of the total money of the other 3 people, and the fourth child brought 910 yuan, so how much is this TV set?
兄弟四人一起去买一台电视机，老大带的钱是另外3个人的钱数的一半，老二带的钱是另外3个人的总钱数的(1/3)，老三带的钱是另外3个人的总钱数的(1/4)，老四带去910元，那么这台电视机多少钱？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(1/2) / (3/2)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(1/2) / (3/2) / (4/3)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(1/2) / (3/2) / (4/3) / (5/4)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/3) - (1/4) - (1/5)</gadget>
<output>13/60 = around 0.216667</output>

<gadget id="calculator">910 / (13/60)</gadget>
<output>4_200</output>

<result>4_200</result>