Alright, let's work through 61865248 times 21178397 step by step
61865248 × 21178397 = 21178397 × (61865248)
+ 21178397 × 8 that results in 169427176
+ 21178397 × 40 which equals 847135880
+ 21178397 × 200 that is equal 4235679400
+ 21178397 × 5000 resulting in 105891985000
+ 21178397 × 60000 which equals 1270703820000
+ 21178397 × 800000 giving us 16942717600000
+ 21178397 × 1000000 producing 21178397000000
+ 21178397 × 60000000 that equals 1270703820000000

= 1310206782647456
