Someone thxs!

jeanette likes to swim at the local ymca. last month she swam 3
1
15
laps on 12 different days.

how many total laps did jeanette swim last month?
a) 36
13
15
laps
b) 36
12
15
laps
c) 37
1
15
laps
d) 37
11
15
laps