Alright, let's work through 4644 times 1012 step by step
4644 × 1012 = 1012 × (4644)
+ 1012 × 4 resulting in 4048
+ 1012 × 40 that is equal 40480
+ 1012 × 600 that results in 607200
+ 1012 × 4000 giving us 4048000

= 4699728
