In one peculiar family, the mother and the three children have exactly the same birthday. Currently, the mother is 37 years old while each of children are 9 years old. How old will the mother be when the sum of the ages of the three children equals her age?<spanclass=′latex−bold′>(A)</span>14<spanclass=′latex−bold′>(B)</span>27<spanclass=′latex−bold′>(C)</span>42<spanclass=′latex−bold′>(D)</span>57<spanclass=′latex−bold′>(E)</span>66