Alright, let's work through 26297815 times 72342256 step by step
26297815 × 72342256 = 72342256 × (26297815)
+ 72342256 × 5 that is equal 361711280
+ 72342256 × 10 that equals 723422560
+ 72342256 × 800 yielding 57873804800
+ 72342256 × 7000 producing 506395792000
+ 72342256 × 90000 which equals 6510803040000
+ 72342256 × 200000 what gives us 14468451200000
+ 72342256 × 6000000 giving us 434053536000000
+ 72342256 × 20000000 that results in 1446845120000000

= 1902443264970640
