if you cant create a fully automatic calculator, i recommend using all of the querty keyboard to make different addition and subtraction equations with answers 1-100 if possible. there are 27 keys on the keyboard in terms of qwertyuiopasdfghjklzxcvbnm.
Hey there! Creator of Voxel Fighters here, really like your destructable cube? I would like to ask your permission to maybe use this in a gamemode for my game, Voxel Fighters. I would give you credit, of course.