<human>:  Charmaine will be 16 years old in 12 years. How old will she be 4 years from now?
<bot>: How old is Charmaine now? ** Charmaine's present age is 16 - 12 = <<16-12=4>>4 years old.
How old will Charmaine be 4 years from now? ** So she will be 4 + 4 = <<4+4=8>>8 years old 4 years from now.
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