Carl has been selling watermelons on the side of the road for $3 each. This evening he went home with $105 in profit and 18 watermelons. How many watermelons did he start out with this morning? Let's think step by step and output the final answer after "####".
user
Carl sells his watermelons for $3 each so today he sold $105 / $3 per watermelon = <<105/3=35>>35 watermelons.
He had 18 watermelons left over, so this morning he started with 18 + 35 = <<18+35=53>>53 watermelons.
#### 53
Carl has been selling watermelons on the side of the road for $3 each. This evening he went home with $105 in profit and 18 watermelons. How many watermelons did he start out with this morning?
train