A, B, and C pool their money together to buy a machine. A’s money is B’s and C’s (1/2), B’s money is A’s and C’s (1/3), and C’s money is a few percent more than A’s. ?
甲乙丙三人凑钱合买一台机器，甲出的钱是乙、丙的(1/2)，乙出的钱甲丙的(1/3)，丙出的钱比甲多百分之几？
<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) - (1/3)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) / (1/3)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>