Which shows a correct order to solve this story problem?

Gina used 3.2 ounces of strawberry jelly and 4.7 ounces of raspberry jelly in her recipe. She made the same recipe 4 times.

How much jelly did Gina use altogether?

A.
Step 1: Add the weights of the two jellies.
Step 2: Divide that sum by 4.

B.
Step 1: Subtract the weight of the strawberry jelly from the raspberry jelly.
Step 2: Multiply that difference by 4.

C.
Step 1: Add the weights of the two jellies.
Step 2: Multiply that sum by 4.

D.
Step 1: Subtract the weight of the strawberry jelly from the raspberry jelly.
Step 2: Divide that difference by 4.