No problem, we've got 9972 and 7238 to multiply
9972 × 7238 = 7238 × (9972)
+ 7238 × 2 what gives us 14476
+ 7238 × 70 giving us 506660
+ 7238 × 900 that is equal 6514200
+ 7238 × 9000 that equals 65142000

= 72177336
