Regular = 2 * 14 = <<2*14=28>>28 pieces

Double = 3 * 12 = <<3*12=36>>36 pieces

28 + 36 = <<28+36=64>>64 pieces

64 pieces of bread are needed for those sandwiches.

# Answer

64
Question:
Two pieces of bread are needed for one regular sandwich. 3 pieces of bread are needed for a double meat sandwich. How many pieces of bread are needed for 14 regular sandwiches and 12 double meat sandwiches?
Answer:
Let's think step by step.

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64
Two pieces of bread are needed for one regular sandwich. 3 pieces of bread are needed for a double meat sandwich. How many pieces of bread are needed for 14 regular sandwiches and 12 double meat sandwiches?
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