What is the product of (11/15) and its reciprocal.
(11/15)与它的倒数的积是多少．
<gadget id="calculator">11 / 15</gadget>
<output>11/15 = around 0.733333</output>

<gadget id="calculator">15 / 11</gadget>
<output>15/11 = around 1.363636</output>

<gadget id="calculator">(11/15) * (15/11)</gadget>
<output>1</output>

<result>1</result>