二年级有6排座位，每排坐7个同学。一共可以坐几个同学？

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                                                                                                             菊 花
                                                                                                                   元 稹
                                                                                        秋丛绕舍似陶家，遍绕篱边日渐斜。
                                                                                        不是花中偏爱菊，此花开尽更无花。