Miss Loi’s phone calls to those on her waiting list can be loosely grouped into the straightforward type and those that involve listening to some tragic 凄凉 academic tale. If in an hour, Miss Loi gets 2 more straightforward phone calls than 凄凉 phone calls, and that a 凄凉 phone call takes 15 minutes longer than a straightforward phone call, find the total time Miss Loi takes to make 60 straightforward phone calls and 30 tragic 凄凉 phone calls.
