No problem, we've got 7817897 and 27923838 to multiply
7817897 × 27923838 = 27923838 × (7817897)
+ 27923838 × 7 which equals 195466866
+ 27923838 × 90 yielding 2513145420
+ 27923838 × 800 that is equal 22339070400
+ 27923838 × 7000 resulting in 195466866000
+ 27923838 × 10000 what gives us 279238380000
+ 27923838 × 800000 which equals 22339070400000
+ 27923838 × 7000000 yielding 195466866000000

= 218305689328686
