After his father gave him 13 biscuits, Randy has 32 + 13 = <<32+13=45>>45 biscuits.

After his mother gave him 15 biscuits, Randy has 45 + 15 = <<45+15=60>>60 biscuits.

After his brother ate 20 of the biscuits.

Randy has 60 – 20 = <<60-20=40>>40 biscuits.

# Answer

40
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Randy had 32 biscuits. His father gave him 13 biscuits as a gift. His mother gave him 15 biscuits. Randy’s brother ate 20 of these biscuits. How many biscuits are Randy left with?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
40
Randy had 32 biscuits. His father gave him 13 biscuits as a gift. His mother gave him 15 biscuits. Randy’s brother ate 20 of these biscuits. How many biscuits are Randy left with?
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