Four sisters jointly buy a color TV set, the eldest spends half of the money used by the other three, the second spends one-third of the money spent by the other three, and the third spends half of the money spent by the other three. It is a quarter of the money used by the other three, and the fourth child paid 910 yuan. How much is the price of this color TV?
姐妹4人合买一台彩色电视机，老大用的钱是另外三人所用钱数的一半，老二用的钱数是另外三人所用钱数的三分之一，老三用的钱数是另外三人所用钱数的四分之一，老四出了910元，这台彩色电视机的价格是多少元？
<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 / 3</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">(1/3) / (4/3)</gadget>
<output>1/4 = around 0.25</output>

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