No problem, we've got 6999 and 7910 to multiply
6999 × 7910 = 7910 × (6999)
+ 7910 × 9 what gives us 71190
+ 7910 × 90 resulting in 711900
+ 7910 × 900 yielding 7119000
+ 7910 × 6000 that equals 47460000

= 55362090
