Alright, let's work through 84042363 times 69249885 step by step
84042363 × 69249885 = 69249885 × (84042363)
+ 69249885 × 3 that equals 207749655
+ 69249885 × 60 what gives us 4154993100
+ 69249885 × 300 that results in 20774965500
+ 69249885 × 2000 giving us 138499770000
+ 69249885 × 40000 that is equal 2769995400000
+ 69249885 × 000000 giving us 0
+ 69249885 × 4000000 which equals 276999540000000
+ 69249885 × 80000000 giving us 5539990800000000

= 5819923972878255
