No problem, we've got 83921944 and 45014328 to multiply
83921944 × 45014328 = 45014328 × (83921944)
+ 45014328 × 4 yielding 180057312
+ 45014328 × 40 yielding 1800573120
+ 45014328 × 900 giving us 40512895200
+ 45014328 × 1000 what gives us 45014328000
+ 45014328 × 20000 giving us 900286560000
+ 45014328 × 900000 giving us 40512895200000
+ 45014328 × 3000000 what gives us 135042984000000
+ 45014328 × 80000000 which equals 3601146240000000

= 3777689913613632
