Alright, let's work through 30403649 times 40867302 step by step
30403649 × 40867302 = 40867302 × (30403649)
+ 40867302 × 9 that is equal 367805718
+ 40867302 × 40 that is equal 1634692080
+ 40867302 × 600 producing 24520381200
+ 40867302 × 3000 resulting in 122601906000
+ 40867302 × 00000 giving us 0
+ 40867302 × 400000 that equals 16346920800000
+ 40867302 × 0000000 that equals 0
+ 40867302 × 30000000 producing 1226019060000000

= 1242515105584998
