1M is 1024 * 1024 Byte, Chinese character 2Byte is a word. So 1M is about 500,000 words, 3M is about 1.5 million words, taking into account the spaces and punctuation, more than 1 million words, depending on the spaces and formatting in the novel, of course, the picture will take up a lot of space, so it's not good to say that there is a picture of it, which is an estimate of the pure text.