Alright, let's work through 33661328 times 21000756 step by step
33661328 × 21000756 = 21000756 × (33661328)
+ 21000756 × 8 yielding 168006048
+ 21000756 × 20 that is equal 420015120
+ 21000756 × 300 yielding 6300226800
+ 21000756 × 1000 producing 21000756000
+ 21000756 × 60000 producing 1260045360000
+ 21000756 × 600000 what gives us 12600453600000
+ 21000756 × 3000000 producing 63002268000000
+ 21000756 × 30000000 that equals 630022680000000

= 706913335963968
