Alright, let's work through 65473742 times 19380534 step by step
65473742 × 19380534 = 19380534 × (65473742)
+ 19380534 × 2 yielding 38761068
+ 19380534 × 40 that equals 775221360
+ 19380534 × 700 that is equal 13566373800
+ 19380534 × 3000 that results in 58141602000
+ 19380534 × 70000 that equals 1356637380000
+ 19380534 × 400000 what gives us 7752213600000
+ 19380534 × 5000000 resulting in 96902670000000
+ 19380534 × 60000000 what gives us 1162832040000000

= 1268916082938228
