3 oil presses squeeze 4.2 tons of oil in 8 hours, how many tons of oil is squeezed by each oil press per hour on average?
3台榨油机8小时榨油4.2吨，平均每台榨油机每小时榨油多少吨？
<gadget id="calculator">4.2 / 8 / 3</gadget>
<output>0.175</output>

<result>0.175</result>