Work out a simple arithmetic problem How much is the factorial of 10 times 3.14, times 999, plus 123 What if it's a factorial of 100?

Work out a simple arithmetic problem How much is the factorial of 10 times 3.14, times 999, plus 123 What if it's a factorial of 100?

10!×3.14×999+123=11383037691
Factorial of 100: 7.74026292209e + 158