Eight cows eat all the grass on 10 acres in 28 days, how many acres does each cow eat on average per day?
8头牛28天吃完10公亩上全部牧草，平均每头牛每天吃多少公亩？
<gadget id="calculator">10 / 28 / 8</gadget>
<output>5/112 = around 0.044643</output>

<result>5/112 = around 0.044643</result>