Alright, let's work through 42877744 times 25661667 step by step
42877744 × 25661667 = 25661667 × (42877744)
+ 25661667 × 4 what gives us 102646668
+ 25661667 × 40 that is equal 1026466680
+ 25661667 × 700 producing 17963166900
+ 25661667 × 7000 that equals 179631669000
+ 25661667 × 70000 producing 1796316690000
+ 25661667 × 800000 producing 20529333600000
+ 25661667 × 2000000 that results in 51323334000000
+ 25661667 × 40000000 giving us 1026466680000000

= 1100314388239248
