Alright, let's work through 54685123 times 15362303 step by step
54685123 × 15362303 = 15362303 × (54685123)
+ 15362303 × 3 that equals 46086909
+ 15362303 × 20 that results in 307246060
+ 15362303 × 100 that equals 1536230300
+ 15362303 × 5000 yielding 76811515000
+ 15362303 × 80000 that is equal 1228984240000
+ 15362303 × 600000 producing 9217381800000
+ 15362303 × 4000000 what gives us 61449212000000
+ 15362303 × 50000000 that results in 768115150000000

= 840089429118269
