Alright, let's work through 31089744 times 75122062 step by step
31089744 × 75122062 = 75122062 × (31089744)
+ 75122062 × 4 resulting in 300488248
+ 75122062 × 40 that results in 3004882480
+ 75122062 × 700 giving us 52585443400
+ 75122062 × 9000 producing 676098558000
+ 75122062 × 80000 what gives us 6009764960000
+ 75122062 × 000000 that equals 0
+ 75122062 × 1000000 producing 75122062000000
+ 75122062 × 30000000 what gives us 2253661860000000

= 2335525676332128
