Defne's 7 friends decided to buy a joint gift for Defne and planned to share the cost equally among themselves. Since Ali, Buse, and Can did not have enough money, each of them could only contribute half of their share. Thereupon, the other four friends divided the remaining cost of the gift equally among themselves.
Given that each of these four friends paid 6 TL more than planned, what is the cost of the gift purchased?
A) 112
B) 126
C) 140
D) 147
E) 154