Do it how you saw it.
just multiply 2.188x10^6 by 2 and divide the answer by 3, the answer is your V.
let's do it:
V = 2.188x10^6 x 2
————————
3
V = Answer
————
3
V = (what you got)
Try finding them with calculator or something.
Hope this helps.
Good luck ✅.
And I wish this can still help.