For every white duck there are 5 fish and there are 3 white ducks for a total of 5*3 = <<5*3=15>>15 fish

For every black duck there are 10 fish and there are 7 black ducks for a total of 10*7 = <<10*7=70>>70 fish

For every multicolored duck there are 12 fish and there are 6 multicolored ducks for a total of 12*6 = <<12*6=72>>72 fish

All total there are 15+70+72 = <<15+70+72=157>>157 fish in the lake

# Answer

157
<|im_start|>system
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<|im_start|>user
For every white duck at the lake there are 5 fish.  For every black duck there are 10 fish and for every multicolor duck there are 12 fish.  Currently there are 3 white ducks, 7 black ducks and 6 multicolored ducks.  How many fish are in the lake?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
157
For every white duck at the lake there are 5 fish.  For every black duck there are 10 fish and for every multicolor duck there are 12 fish.  Currently there are 3 white ducks, 7 black ducks and 6 multicolored ducks.  How many fish are in the lake?
train