The livestock farm raised 120 cattle and buffaloes this year, and the number of cattle was 20% of that of buffaloes. How many buffaloes will the livestock farm raise this year?
畜牧场今年共养黄牛和水牛120头，其中黄牛的头数是水牛的20%．畜牧场今年养水牛多少头？
<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>

<result>100</result>