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A chain drive involves a large gear with a radius of $12$ cm and a smaller gear with a radius of $3.7$cm, as shown above. The smaller gear is at the center of a wheel with a diameter of $78$ cm.

If the larger gear rotates through an angle of ${ 270 }^{ \circ }$, then how far does the wheel move? (Calculator)

A

About $0.5 \text{ m}$.

B

About $2 \text{ m}$.

C

About $6 \text{ m}$.

D

About $12 \text{ m}$.

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