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Free dining" is a discount worth $45.99 per day per adult, and $12.99 per day per child. So based on what your showing - assuming you are staying at a mod or deluxe - the discount itself is $117.96 per day. Over 7 days, that is $825.72.
Also, if you use the Free Dining properly (i.e. use all the credits), you can expect an extra 20-25 % saving versus OOP pricing. (Last trip I did the math, and we actually saved almost 40 % with free dining, though our choice of TS restaurants were more expensive than most and we used our snack credits for Food and Wine which really optimized those as well.)
So, if you are conservative and we say 20 % over OOP - that's $991 worth of free food for free dining - though truthfully your really only saving the $825 since you could just buy the free dining on your own and save the 20 %.
If you are staying at a value, you only save the amount of the QSDP - though you can pay the difference to upgrade to the regular
DDP - and the savings would be $34.99 / $11.99 or $93.96 a day or $657.72 for 7 days.
Did I go too far?