Let's calculate 7838 x 1798
7838 × 1798 = 1798 × (7838)
+ 1798 × 8 resulting in 14384
+ 1798 × 30 that results in 53940
+ 1798 × 800 that results in 1438400
+ 1798 × 7000 what gives us 12586000

= 14092724
