Alright, let's work through 68370478 times 30729620 step by step
68370478 × 30729620 = 30729620 × (68370478)
+ 30729620 × 8 producing 245836960
+ 30729620 × 70 producing 2151073400
+ 30729620 × 400 that equals 12291848000
+ 30729620 × 0000 producing 0
+ 30729620 × 70000 that results in 2151073400000
+ 30729620 × 300000 resulting in 9218886000000
+ 30729620 × 8000000 which equals 245836960000000
+ 30729620 × 60000000 yielding 1843777200000000

= 2100998808158360
