Calculate the combination in less than 5 minutes and this vault door will open!
Pay attention to those parentheses: perform the innermost functions
have 5 minutes to figure out this combination.
The combination needed to open this vault can be found in the
rotating dials. Solve the moving math equations and enter the
results to open the door. The outer layer is your first number,
the middle layer is the second, and the inner layer is the third.