Three players on reality TV show are brought to the centre of a large flat field. Each player is given a tape measure, a compass, a calculator, a shovel, and (in a different order for each contestant) the following displacements: 72.4 m, 32o east of north 57.3 m, 36o south of west 17.8 m, straight south The three displacements lead to the point where the keys to a new Mercedes Benz are buried. Two players start measuring immediately, but the winner first calculates where to go. What does she calculate?