It was a ballpark of the cost per employee, not the salary per employee.

Fully loaded cost.

See: https://www.quora.com/Why-did-Vicarious-raise-so-much-money-..., https://www.quora.com/What-is-the-mean-cost-per-year-for-a-s...

You normally do math like this with assumption an employee costs 2x salary.