An oil press presses 9 tons of oil in 3 hours, how many tons of oil is squeezed per hour on average? The column is correct. How many
一台榨油机3小时榨油9吨，平均每小时榨油多少吨？列式正确的是．多少
<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<result>3</result>