Alright, let's work through 42541134 times 67288121 step by step
42541134 × 67288121 = 67288121 × (42541134)
+ 67288121 × 4 resulting in 269152484
+ 67288121 × 30 that equals 2018643630
+ 67288121 × 100 which equals 6728812100
+ 67288121 × 1000 that equals 67288121000
+ 67288121 × 40000 giving us 2691524840000
+ 67288121 × 500000 which equals 33644060500000
+ 67288121 × 2000000 resulting in 134576242000000
+ 67288121 × 40000000 yielding 2691524840000000

= 2862512972069214
