If the sum of an integer and its reciprocal is 8.125, what is the difference between this integer and its reciprocal?
一个整数与它的倒数之和是8.125，那么这个整数与它的倒数之差是多少．
<gadget id="calculator">8 - 0.125</gadget>
<output>7.875</output>

<result>7.875</result>