There are 480 cattle on the pasture, which is 1/5 more than last year. How many more than last year?
牧场养牛480头，比去年养的多(1/5)，比去年多多少头？
<gadget id="calculator">1 / 5</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">480 / (6/5)</gadget>
<output>400</output>

<gadget id="calculator">480 - 400</gadget>
<output>80</output>

<result>80</result>