Press the green flag and dial the numbers! Sadly there isn't a multiplication button so you can only do three operations. WARNING: Don't do 3 numbers at a time, or else it won't work. E.g. 3+2=5, 3+2+6= 11, but if you do it like that it doesn't work... Sorry!
credits to https://scratch.mit.edu/users/Purpleswan/ for the original project