Alright, let's work through 72884446 times 36443944 step by step
72884446 × 36443944 = 36443944 × (72884446)
+ 36443944 × 6 what gives us 218663664
+ 36443944 × 40 what gives us 1457757760
+ 36443944 × 400 producing 14577577600
+ 36443944 × 4000 producing 145775776000
+ 36443944 × 80000 what gives us 2915515520000
+ 36443944 × 800000 resulting in 29155155200000
+ 36443944 × 2000000 yielding 72887888000000
+ 36443944 × 70000000 that results in 2551076080000000

= 2656196668495024
