Sure thing! Let's multiply 81319455 and 40069477 together
81319455 × 40069477 = 40069477 × (81319455)
+ 40069477 × 5 giving us 200347385
+ 40069477 × 50 which equals 2003473850
+ 40069477 × 400 which equals 16027790800
+ 40069477 × 9000 what gives us 360625293000
+ 40069477 × 10000 which equals 400694770000
+ 40069477 × 300000 yielding 12020843100000
+ 40069477 × 1000000 that equals 40069477000000
+ 40069477 × 80000000 yielding 3205558160000000

= 3258428031775035
