>I’m going to get some flour and bake a cake. A group works together. One offers to get flour, another offers to bake the cake. A third could offer, "I'm goin

>I’m going to get some flour and bake a cake. A group works together. One offers to get flour, another offers to bake the cake. A third could offer, "I'm going to both get some flour and bake a cake." It would make sense to use "both."