计算猴子吃桃的天数和桃子的总数C#

protected void btnCalc_Click(object sender, EventArgs e) { int b = 0; int nums = Convert.ToInt32(txtDays.Text.ToString());//得到猴子去吃桃的次数 for (int i = 1; i <= nums; i++) { b += 2 * i + 1; } txtCount.Text = (b + 1).ToString(); } //36人，36块砖 计算男女老少各多少人