Alright, let's work through 1993 times 4872 step by step
1993 × 4872 = 4872 × (1993)
+ 4872 × 3 giving us 14616
+ 4872 × 90 that results in 438480
+ 4872 × 900 which equals 4384800
+ 4872 × 1000 that is equal 4872000

= 9709896
