Alright, let's work through 66103249 times 71338901 step by step
66103249 × 71338901 = 71338901 × (66103249)
+ 71338901 × 9 which equals 642050109
+ 71338901 × 40 giving us 2853556040
+ 71338901 × 200 that equals 14267780200
+ 71338901 × 3000 that equals 214016703000
+ 71338901 × 00000 yielding 0
+ 71338901 × 100000 that is equal 7133890100000
+ 71338901 × 6000000 giving us 428033406000000
+ 71338901 × 60000000 giving us 4280334060000000

= 4715733136189349
