Alright, let's work through 41225815 times 39002028 step by step
41225815 × 39002028 = 39002028 × (41225815)
+ 39002028 × 5 resulting in 195010140
+ 39002028 × 10 that equals 390020280
+ 39002028 × 800 what gives us 31201622400
+ 39002028 × 5000 that is equal 195010140000
+ 39002028 × 20000 which equals 780040560000
+ 39002028 × 200000 which equals 7800405600000
+ 39002028 × 1000000 giving us 39002028000000
+ 39002028 × 40000000 which equals 1560081120000000

= 1607890390952820
