复制一段游戏里边的话
Galaxy The spiral galaxy type Nebula in Delta Draco has 7,732 stars, around which are turning 39,651 planets. For better navigation it is separated schematically in sectors and quadrants. The whole galaxy is 5 х 3 sectors, and one sector contains 5 x 5 quadrants. This means that in the galaxy there are 375 quadrants with stars.