No problem, we've got 7477 and 10000 to multiply
7477 × 10000 = 10000 × (7477)
+ 10000 × 7 that equals 70000
+ 10000 × 70 producing 700000
+ 10000 × 400 what gives us 4000000
+ 10000 × 7000 giving us 70000000

= 74770000
