1 minus (7/8), what is the difference?
1减去(7/8)，差是多少？
<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>