Alright, let's work through 19810784 times 37199879 step by step
19810784 × 37199879 = 37199879 × (19810784)
+ 37199879 × 4 giving us 148799516
+ 37199879 × 80 which equals 2975990320
+ 37199879 × 700 giving us 26039915300
+ 37199879 × 0000 yielding 0
+ 37199879 × 10000 what gives us 371998790000
+ 37199879 × 800000 that is equal 29759903200000
+ 37199879 × 9000000 that results in 334798911000000
+ 37199879 × 10000000 yielding 371998790000000

= 736958767695136
