Tonya is buying Christmas gifts for her sisters. She has 2 sisters and wants to spend the exact same amount on each. She buys her younger sister 4 dolls that cost $15 each. She plans to buy lego sets for her older sister. They cost $20 each. How many lego sets does she buy? Let's think step by step and output the final answer after "####".
user
She spent $60 on her younger sister because 4 x 15 = <<4*15=60>>60
She buys 3 lego sets for her older sister because 60 / 20 = <<60/20=3>>3
#### 3
Tonya is buying Christmas gifts for her sisters. She has 2 sisters and wants to spend the exact same amount on each. She buys her younger sister 4 dolls that cost $15 each. She plans to buy lego sets for her older sister. They cost $20 each. How many lego sets does she buy?
train