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 = 
<gadget id="calculator">8*347</gadget>
<output>2_776</output>
2776 calories.
The brownies have 6 slices * 375 = 
<gadget id="calculator">6*375</gadget>
<output>2_250</output>
2250 calories.
The cake has 2776 calories - 2250 = 
<gadget id="calculator">2776-2250</gadget>
<output>526</output>
526 more calories.

<result>526</result>