Moving Safe

A heavy safe is to be moved. Two cylindrical steel bats of diameter 7 centimeters are used as rollers.
When the rollers have made one revolution, how far will the safe have moved forward?

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Vineet Patawari

Hi, I'm Vineet Patawari. I fell in love with numbers after being scared of them for quite some time. Now, I'm here to make you feel comfortable with numbers and help you get rid of Math Phobia!

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