A wild ride on a merry-go-round sends the Chipmunks back to 1962. They meet a younger Dave. Without the boys' help in winning a band contest, he will spend his life as an accountant. When they are spun into the present, Alvin isn't sure whether he visited the past or bumped his head in a fall off the merry-go-round.
Please solve the math problem below to unlock download mirrors for Alvin and the Chipmunks.
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