Alright, let's work through 21624998 times 88172938 step by step
21624998 × 88172938 = 88172938 × (21624998)
+ 88172938 × 8 that equals 705383504
+ 88172938 × 90 that is equal 7935564420
+ 88172938 × 900 that results in 79355644200
+ 88172938 × 4000 yielding 352691752000
+ 88172938 × 20000 that is equal 1763458760000
+ 88172938 × 600000 what gives us 52903762800000
+ 88172938 × 1000000 giving us 88172938000000
+ 88172938 × 20000000 that is equal 1763458760000000

= 1906739607904124
