Alright, let's work through 40037242 times 41406235 step by step
40037242 × 41406235 = 41406235 × (40037242)
+ 41406235 × 2 which equals 82812470
+ 41406235 × 40 that is equal 1656249400
+ 41406235 × 200 which equals 8281247000
+ 41406235 × 7000 giving us 289843645000
+ 41406235 × 30000 producing 1242187050000
+ 41406235 × 000000 that is equal 0
+ 41406235 × 0000000 that equals 0
+ 41406235 × 40000000 what gives us 1656249400000000

= 1657791451003870
