1 truck uses 3 tanks of 150 liters, so a truck can carry 3 tanks per truck * 150 liters = <<3*150=450>>450 liters per truck.

The total amount of water the 3 trucks carry is 3 trucks * 450 liters per truck= <<3*450=1350>>1350 liters.

# Answer

1350
<|im_start|>system
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<|im_start|>user
A farmer has three trucks to carry water to his farm. Each truck uses three tanks with a capacity of 150 liters of water. How many liters of water in total can the farmer carry in his trucks?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
1350
A farmer has three trucks to carry water to his farm. Each truck uses three tanks with a capacity of 150 liters of water. How many liters of water in total can the farmer carry in his trucks?
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