There are 120 cattle in the pasture, which is 20% more than sheep. How many more cattle than sheep?
牧场中牛有120头，比羊多20%，牛比羊多多少头．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">120 / (6/5)</gadget>
<output>100</output>

<gadget id="calculator">120 - 100</gadget>
<output>20</output>

<result>20</result>