Alright, let's work through 65422878 times 21729379 step by step
65422878 × 21729379 = 21729379 × (65422878)
+ 21729379 × 8 resulting in 173835032
+ 21729379 × 70 that equals 1521056530
+ 21729379 × 800 yielding 17383503200
+ 21729379 × 2000 resulting in 43458758000
+ 21729379 × 20000 producing 434587580000
+ 21729379 × 400000 yielding 8691751600000
+ 21729379 × 5000000 giving us 108646895000000
+ 21729379 × 60000000 that is equal 1303762740000000

= 1421598511332762
