Alright, let's work through 75015613 times 40536227 step by step
75015613 × 40536227 = 40536227 × (75015613)
+ 40536227 × 3 what gives us 121608681
+ 40536227 × 10 producing 405362270
+ 40536227 × 600 producing 24321736200
+ 40536227 × 5000 producing 202681135000
+ 40536227 × 10000 that is equal 405362270000
+ 40536227 × 000000 which equals 0
+ 40536227 × 5000000 yielding 202681135000000
+ 40536227 × 70000000 that is equal 2837535890000000

= 3040849917112151
