For fractions with a denominator of 8, how many fractions are greater than (1/8) and less than (4/8)
分母是8的分数，比(1/8)大，比(4/8)小的分数有多少
<gadget id="calculator">8 / 1</gadget>
<output>8</output>

<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<result>2</result>