Alright, let's work through 81327501 times 675010 step by step
81327501 × 675010 = 675010 × (81327501)
+ 675010 × 1 resulting in 675010
+ 675010 × 00 yielding 0
+ 675010 × 500 that results in 337505000
+ 675010 × 7000 giving us 4725070000
+ 675010 × 20000 producing 13500200000
+ 675010 × 300000 yielding 202503000000
+ 675010 × 1000000 what gives us 675010000000
+ 675010 × 80000000 producing 54000800000000

= 54896876450010
