What is the difference between the smallest improper fraction whose numerator is 12 and the largest true fraction whose denominator is 8.
分子是12的最小假分数与分母是8的最大真分数的差是多少．
<gadget id="calculator">12 / 12</gadget>
<output>1</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 - (7/8)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>