"I eat the cake with a spoon."

Translation: Tôi ăn cái bánh bằng một chiếc muỗng.

[RebeccaTsu]

I did this right but am still unclear as to the difference between the classifiers
cái and chiếc. Would you please explain?

[KhoiNgn]

can we also say "tôi ăn cái bánh với một cái muỗng"?

[cartapo]

Could voi be used in the sentence?

[anye-nguyen]

Yes. Với can be used as bằng as a means of actions

[TehVanarch]

Yes but với in this case could also mean "(cake) as well as (another food)".