Alright, let's work through 5300398 times 2135774 step by step
5300398 × 2135774 = 2135774 × (5300398)
+ 2135774 × 8 which equals 17086192
+ 2135774 × 90 producing 192219660
+ 2135774 × 300 which equals 640732200
+ 2135774 × 0000 which equals 0
+ 2135774 × 00000 that equals 0
+ 2135774 × 300000 what gives us 640732200000
+ 2135774 × 5000000 that equals 10678870000000

= 11320452238052
