No problem, we've got 19672532 and 41356873 to multiply
19672532 × 41356873 = 41356873 × (19672532)
+ 41356873 × 2 producing 82713746
+ 41356873 × 30 that is equal 1240706190
+ 41356873 × 500 which equals 20678436500
+ 41356873 × 2000 which equals 82713746000
+ 41356873 × 70000 giving us 2894981110000
+ 41356873 × 600000 producing 24814123800000
+ 41356873 × 9000000 what gives us 372211857000000
+ 41356873 × 10000000 which equals 413568730000000

= 813594407512436
