Alright, let's work through 26809004 times 53978885 step by step
26809004 × 53978885 = 53978885 × (26809004)
+ 53978885 × 4 resulting in 215915540
+ 53978885 × 00 that results in 0
+ 53978885 × 000 yielding 0
+ 53978885 × 9000 giving us 485809965000
+ 53978885 × 00000 that results in 0
+ 53978885 × 800000 producing 43183108000000
+ 53978885 × 6000000 what gives us 323873310000000
+ 53978885 × 20000000 that equals 1079577700000000

= 1447120143880540
