Alright, let's work through 88644475 times 213328 step by step
88644475 × 213328 = 213328 × (88644475)
+ 213328 × 5 giving us 1066640
+ 213328 × 70 what gives us 14932960
+ 213328 × 400 yielding 85331200
+ 213328 × 4000 that equals 853312000
+ 213328 × 40000 producing 8533120000
+ 213328 × 600000 which equals 127996800000
+ 213328 × 8000000 what gives us 1706624000000
+ 213328 × 80000000 which equals 17066240000000

= 18910348562800
