Alright, let's work through 75085594 times 87749254 step by step
75085594 × 87749254 = 87749254 × (75085594)
+ 87749254 × 4 yielding 350997016
+ 87749254 × 90 which equals 7897432860
+ 87749254 × 500 that equals 43874627000
+ 87749254 × 5000 that equals 438746270000
+ 87749254 × 80000 resulting in 7019940320000
+ 87749254 × 000000 giving us 0
+ 87749254 × 5000000 yielding 438746270000000
+ 87749254 × 70000000 resulting in 6142447780000000

= 6588704859646876
