There are four natural numbers A, B, C, D, and their sum does not exceed 400, and the quotient of A divided by B leaves 5; the quotient of A divided by C leaves 6; the quotient of A divided by D leaves 7. What is the sum of these four natural numbers? How many.
有四个自然数A、B、C、D，它们的和不超过400，且A除以B商5余5；A除以C商6余6；A除以D商7余7．这四个自然数相加的和是多少？多少．
<result>314</result>