喺組合數學嚟講 呢個問題可以睇成 12 揀 5 而且可以用呢條式去計 或者你可以喺呢個三角形入面 搵第十二行第六個數字 ， 就會得到答案
In combinatorics, this question can be seen as 12 to 5, and you can use this equation to calculate, maybe you can find the sixth number in the twelfth row in this triangle, and you will get the answer