According to known conditions, the product of 4 multiplied by 2 is equal to 14. Similarly, the product of 5 times 5 minus 3 equals 22, the product of 3 times 3 minus 5 equals 4, and the product of 7 times 7 minus 18 equals 3 1, so the product of 6 times 6 minus 9 equals 27.

(This is a flexible mathematical problem with different hidden conditions.)