Divide (15/7) by the smallest improper fraction, what is the quotient.
(15/7)除以最小的假分数，商是多少．
<gadget id="calculator">15 / 7</gadget>
<output>15/7 = around 2.142857</output>

<gadget id="calculator">(15/7) / 1</gadget>
<output>15/7 = around 2.142857</output>

<result>15/7 = around 2.142857</result>