Among A, B, and C, the amount of A’s money is equal to that of B and C (1/2), the amount of B’s money is equal to the amount of A’s and C’s (1/3), and the amount of C’s money is equal to that of A and B. Number and ((())/(())).
甲、乙、丙三人中，甲的钱数是乙丙两人钱数的(1/2)，乙的钱数是甲丙钱数的(1/3)，丙的钱数是甲乙钱数和的((())/(()))．
<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 + 3</gadget>
<output>4</output>

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

<gadget id="calculator">1 - (1/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(1/3) + (1/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(5/12) / (7/12)</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>