When a number is divided by 3, the remainder is 2, when divided by 4, the remainder is 2, and when divided by 5, the remainder is 4. What is the largest number within 500 that meets the conditions?
一个数被3除余2，被4除余2，被5除余4，符合条件的500以内的最大数是多少．
<result>494</result>