Alright, let's work through 21180124 times 69516028 step by step
21180124 × 69516028 = 69516028 × (21180124)
+ 69516028 × 4 that results in 278064112
+ 69516028 × 20 yielding 1390320560
+ 69516028 × 100 that is equal 6951602800
+ 69516028 × 0000 that is equal 0
+ 69516028 × 80000 what gives us 5561282240000
+ 69516028 × 100000 what gives us 6951602800000
+ 69516028 × 1000000 producing 69516028000000
+ 69516028 × 20000000 what gives us 1390320560000000

= 1472358093027472
