错误打印字符串:%d格式:需要一个数字，而不是str。

I am planning on taking a trip to Disney World late this summer and I have been trying to make a program to calculate an approximate cost of the trip for fun and to try and keep myself from getting too rusty. My problem is that when I try to display all of my calculated values, I keep receiving the error that is in the title. My code is:I am planning on taking a trip to Disney World