question: A loaf of bread at the bakery costs $2. Bagels cost $1 each. How much more do 3 loaves of bread cost than 2 bagels?
answer: 3 loaves of bread cost 3 * $2 = $<<3*2=6>>6.
  2 bagels cost 2 * $1 = $<<2*1=2>>2.
  The loaves of bread cost $6 - $2 = $<<6-2=4>>4 more than the bagels.
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