A cake has 8 slices and each slice contains 347 calories.  A pan of brownies has 6 brownies and each slice contains 375 calories.  How many more calories does the cake have?
The cake has 8 slices * 347 calories = <<8*347=2776>>2776 calories.
The brownies have 6 slices * 375 = <<6*375=2250>>2250 calories.
The cake has 2776 calories - 2250 = <<2776-2250=526>>526 more calories.
#### 526