Alright, let's work through 54371818 times 88248541 step by step
54371818 × 88248541 = 88248541 × (54371818)
+ 88248541 × 8 what gives us 705988328
+ 88248541 × 10 that equals 882485410
+ 88248541 × 800 that is equal 70598832800
+ 88248541 × 1000 resulting in 88248541000
+ 88248541 × 70000 which equals 6177397870000
+ 88248541 × 300000 yielding 26474562300000
+ 88248541 × 4000000 giving us 352994164000000
+ 88248541 × 50000000 yielding 4412427050000000

= 4798233610017538
