"The number of big cows is equivalent to (8/5) of small cows", that is, how much more big cows are than small cows
"大牛的头数相当于小牛的(8/5)"，就是大牛的头数比小牛多多少
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>