What is the number of zeros at the end of the product `5^5xx\ 10^(10)xx\ 15^(15)xx .... xx125^(125)?`

What is the number of zeros at the end of the product 5^(5)xx backslash10^(10)xx backslash15^(15)xx xx125^(125)?

Find the number of zeros at the end of the product of 2^222xx5^555

Find the number of zeros in the end of the product of 2^(222) xx 5^(555) .