Alright, let's work through 48722891 times 21034538 step by step
48722891 × 21034538 = 21034538 × (48722891)
+ 21034538 × 1 that equals 21034538
+ 21034538 × 90 producing 1893108420
+ 21034538 × 800 which equals 16827630400
+ 21034538 × 2000 that results in 42069076000
+ 21034538 × 20000 giving us 420690760000
+ 21034538 × 700000 resulting in 14724176600000
+ 21034538 × 8000000 producing 168276304000000
+ 21034538 × 40000000 resulting in 841381520000000

= 1024863502209358
