Alright, let's work through 61887992 times 20434088 step by step
61887992 × 20434088 = 20434088 × (61887992)
+ 20434088 × 2 that equals 40868176
+ 20434088 × 90 yielding 1839067920
+ 20434088 × 900 giving us 18390679200
+ 20434088 × 7000 yielding 143038616000
+ 20434088 × 80000 resulting in 1634727040000
+ 20434088 × 800000 that is equal 16347270400000
+ 20434088 × 1000000 that equals 20434088000000
+ 20434088 × 60000000 which equals 1226045280000000

= 1264624674671296
