Alright, let's work through 34129741 times 87291143 step by step
34129741 × 87291143 = 87291143 × (34129741)
+ 87291143 × 1 which equals 87291143
+ 87291143 × 40 that results in 3491645720
+ 87291143 × 700 that is equal 61103800100
+ 87291143 × 9000 that is equal 785620287000
+ 87291143 × 20000 that equals 1745822860000
+ 87291143 × 100000 yielding 8729114300000
+ 87291143 × 4000000 resulting in 349164572000000
+ 87291143 × 30000000 resulting in 2618734290000000

= 2979224102183963
