Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

Ex Input:
kendra took a road trip . in the afternoon she saw 4 minivans like hers . later in the evening she saw 1 more minivan like hers . how many minivans like hers did she see in all ?

Ex Output:
5

Ex Input:
isabel had 68 pieces of candy . her friend gave her 25 more pieces . how many pieces of candy did isabel have total ?

Ex Output:
93

Ex Input:
a waiter had 47 customers to wait on . if 41 customers left and he got another 20 customers how many customers would he have ?

Ex Output:
26