Alright, let's work through 71451492 times 80353746 step by step
71451492 × 80353746 = 80353746 × (71451492)
+ 80353746 × 2 resulting in 160707492
+ 80353746 × 90 that results in 7231837140
+ 80353746 × 400 what gives us 32141498400
+ 80353746 × 1000 giving us 80353746000
+ 80353746 × 50000 producing 4017687300000
+ 80353746 × 400000 that is equal 32141498400000
+ 80353746 × 1000000 what gives us 80353746000000
+ 80353746 × 70000000 that equals 5624762220000000

= 5741395039489032
