Answer:
35
Explanation:
Th operaton indicated is a multiplication, a multiplication can be indicated by diverse signs, can be expressed by a single point between two numbers, by an "x" between two numbers, by an asterisc between two numbers, or by putting both numbers in separated parenthesis, in this case is indicated by a single point, and you can perform it by just adding 7 five times, or 5 seven times.
7*5= 35
7+7+7+7+7=35.