as both of these contracts are each of a value of less than 1000value 与 less 之间用of对吗 还是得用其他词

问题描述:

as both of these contracts are each of a value of less than 1000
value 与 less 之间用of对吗 还是得用其他词

a value of 1000 正确
加上Less than 修饰1000 为什么不正确呢?