Alright, let's work through 52258437 times 48063939 step by step
52258437 × 48063939 = 48063939 × (52258437)
+ 48063939 × 7 what gives us 336447573
+ 48063939 × 30 that is equal 1441918170
+ 48063939 × 400 yielding 19225575600
+ 48063939 × 8000 resulting in 384511512000
+ 48063939 × 50000 that equals 2403196950000
+ 48063939 × 200000 which equals 9612787800000
+ 48063939 × 2000000 that is equal 96127878000000
+ 48063939 × 50000000 what gives us 2403196950000000

= 2511746328203343
