Alright, let's work through 90114340 times 73435272 step by step
90114340 × 73435272 = 73435272 × (90114340)
+ 73435272 × 0 giving us 0
+ 73435272 × 40 what gives us 2937410880
+ 73435272 × 300 what gives us 22030581600
+ 73435272 × 4000 that equals 293741088000
+ 73435272 × 10000 yielding 734352720000
+ 73435272 × 100000 yielding 7343527200000
+ 73435272 × 0000000 what gives us 0
+ 73435272 × 90000000 producing 6609174480000000

= 6617571069000480
