235。 As a new type of wedding, the group wedding is an imported product from the west, compared with the traditional old-fashioned wedding in China. Although it was popular in the early 20th century, it didn't start in recent years. As early as the Republic of China, the collective wedding meant a wedding different from the traditional wedding. If the traditional wedding is 1, the group wedding must be 2. Collective, which means unit, describes a large number of people and is regarded as a number. So the three numbers guessed at the group wedding are 235.