How do you solve even number between 300 and 400 it is divisible by both 5 and 9 how you solve it

So we find number that has factor of 5 and 9

5 times 9 times x = number between 300 and 400

multipules of 45=90,135,180,225,270,315,360,395

the multipules between 300 and 400 are

315,360,395

360 is the only even one

answer is 360