Alright, let's work through 71621443 times 47202513 step by step
71621443 × 47202513 = 47202513 × (71621443)
+ 47202513 × 3 what gives us 141607539
+ 47202513 × 40 that results in 1888100520
+ 47202513 × 400 what gives us 18881005200
+ 47202513 × 1000 that is equal 47202513000
+ 47202513 × 20000 that is equal 944050260000
+ 47202513 × 600000 that is equal 28321507800000
+ 47202513 × 1000000 that results in 47202513000000
+ 47202513 × 70000000 that equals 3304175910000000

= 3380712094286259
