Would Red Lobster let me combine coupons like this?

Somebody close to me has a birthday this month so red lobster sent our family a voucher for a free birthday cake. But I also have 2 coupons for $10.00 off at Red Lobster and Red Lobster says the coupons cannot be combined with other offers. Does this mean I have to do 3 separate orders to claim all 3 of my red lobster coupons?

Would Red Lobster let me combine coupons like this?
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