Alright, let's work through 51421521 times 60103241 step by step
51421521 × 60103241 = 60103241 × (51421521)
+ 60103241 × 1 yielding 60103241
+ 60103241 × 20 what gives us 1202064820
+ 60103241 × 500 giving us 30051620500
+ 60103241 × 1000 that results in 60103241000
+ 60103241 × 20000 yielding 1202064820000
+ 60103241 × 400000 that results in 24041296400000
+ 60103241 × 1000000 producing 60103241000000
+ 60103241 × 50000000 giving us 3005162050000000

= 3090600069249561
