Cara is at her family reunion, where she discovers that she is 20 years younger than her mom.  Her mom is 15 years younger than Cara's Grandmother. If Cara's grandmother is 75, how old is Cara? Let's think step by step and output the final answer after "####".
user
Cara's mom: 75-15=<<75-15=60>>60 years old
Cara: 60-20=<<60-20=40>>40 years old
#### 40
Cara is at her family reunion, where she discovers that she is 20 years younger than her mom.  Her mom is 15 years younger than Cara's Grandmother. If Cara's grandmother is 75, how old is Cara?
train