No problem, we've got 7890 and 7318 to multiply
7890 × 7318 = 7318 × (7890)
+ 7318 × 0 what gives us 0
+ 7318 × 90 giving us 658620
+ 7318 × 800 yielding 5854400
+ 7318 × 7000 what gives us 51226000

= 57739020
