Alright, let's work through 74000507 times 35315637 step by step
74000507 × 35315637 = 35315637 × (74000507)
+ 35315637 × 7 yielding 247209459
+ 35315637 × 00 that is equal 0
+ 35315637 × 500 resulting in 17657818500
+ 35315637 × 0000 that results in 0
+ 35315637 × 00000 giving us 0
+ 35315637 × 000000 yielding 0
+ 35315637 × 4000000 that is equal 141262548000000
+ 35315637 × 70000000 giving us 2472094590000000

= 2613375043027959
