从公园回家,奇奇先向南走,再向东走到家;雯雯先向北,再向西走到家;姗姗先向西,再向南走到家;青青先向北,再向东走到家.请你标出他们各自的家.
8x+2x=31.4
x=____
The toilet is ____ the police station and the park.