human
John received 20 gifts on his 12th birthday. He received 8 fewer gifts on his 13th birthday. How many total gifts did he receive between those two birthdays?
assistant
How many gifts did John get on his 13th birthday? ** He got 20-8=12 gifts on his 13th birthday
How many total gifts did John receive between those two birthdays? ** So he got 20+12=<<20+12=32>>32 total gifts
#### 32