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.

the group then went on to check out the houses along broadway street and the scary werewolf avenue . after the long walk they decided to count their candy again . if mary has 5 chewing gums sam has 10 chewing gums and sue has 15 chewing gums how many chewing gums did the 3 have in all ?
30

for finishing touches he needed 70 gallons of paint . if he bought 23 gallons to add to his existing 36 gallons of paint how much more paint will he need ?
11

tripp and charlotte are going on a 36 mile hike . tripp 's backpack weighs 25 pounds . charlotte 's back pack weighs 7 pounds less . they hiked 9 miles the first day . how many miles do they have left ?

27

