The ratio of large numbers to small numbers is 8:7, how much more large numbers than small numbers.
大数与小数的比是8：7，大数比小数多多少．
<gadget id="calculator">8 - 7</gadget>
<output>1</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>