Alright, let's work through 18406870 times 53493829 step by step
18406870 × 53493829 = 53493829 × (18406870)
+ 53493829 × 0 that results in 0
+ 53493829 × 70 that is equal 3744568030
+ 53493829 × 800 that results in 42795063200
+ 53493829 × 6000 yielding 320962974000
+ 53493829 × 00000 that is equal 0
+ 53493829 × 400000 giving us 21397531600000
+ 53493829 × 8000000 producing 427950632000000
+ 53493829 × 10000000 that is equal 534938290000000

= 984653956205230
