Alright, let's work through 34891898 times 53142674 step by step
34891898 × 53142674 = 53142674 × (34891898)
+ 53142674 × 8 that results in 425141392
+ 53142674 × 90 what gives us 4782840660
+ 53142674 × 800 that is equal 42514139200
+ 53142674 × 1000 which equals 53142674000
+ 53142674 × 90000 resulting in 4782840660000
+ 53142674 × 800000 that is equal 42514139200000
+ 53142674 × 4000000 that results in 212570696000000
+ 53142674 × 30000000 which equals 1594280220000000

= 1854248760655252
