No problem, we've got 88680195 and 44784741 to multiply
88680195 × 44784741 = 44784741 × (88680195)
+ 44784741 × 5 what gives us 223923705
+ 44784741 × 90 that is equal 4030626690
+ 44784741 × 100 yielding 4478474100
+ 44784741 × 0000 that equals 0
+ 44784741 × 80000 that is equal 3582779280000
+ 44784741 × 600000 yielding 26870844600000
+ 44784741 × 8000000 yielding 358277928000000
+ 44784741 × 80000000 giving us 3582779280000000

= 3971519564904495
