Five flour mills can grind 980 kilograms of flour in 1.4 hours, how many kilograms per hour on average?
5台磨面机1.4小时能磨面980千克，平均每台每小时磨面多少千克？
<gadget id="calculator">980 / 5 / 1.4</gadget>
<output>140</output>

<result>140</result>