18 (5/12) minus 15 (4/9), the resulting difference is (5/12), what is the quotient? (column comprehensive solution)
18个(5/12)减去15的(4/9)，所得的差以(5/12)，商是多少？(列综合式解)
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(5/12) * 18</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(4/9) * 15</gadget>
<output>20/3 = around 6.666667</output>

<gadget id="calculator">(15/2) - (20/3)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) / (5/12)</gadget>
<output>2</output>

<result>2</result>