Question 25
Find the sum of the digits in the answer to
$$
\underbrace{9999\cdots99}_{94} \times \underbrace{4444\cdots44}_{94}
$$
where a string of $94$ nines is multiplied by a string of $94$ fours.
$$
\underbrace{9999\cdots99}_{94} \times \underbrace{4444\cdots44}_{94}
$$
where a string of $94$ nines is multiplied by a string of $94$ fours.