Tommy wants to earn enough money to buy 8 new books. Each book costs $5. If Tommy already has $13, how much does he need to save up?
The books will cost $40 because 8 x 5 = <<8*5=40>>40
He needs to save up $27 because 40 - 13 = <<40-13=27>>27
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human
Tommy wants to earn enough money to buy 8 new books. Each book costs $5. If Tommy already has $13, how much does he need to save up?
gpt
The books will cost $40 because 8 x 5 = <<8*5=40>>40
He needs to save up $27 because 40 - 13 = <<40-13=27>>27
#### 27