Get off at Fangcun Bus Terminal, take the 1 line to the opposite Kengkou subway station and get off at the Sports Center (5 RMB. Time: 30 minutes), take a taxi across Longkou West Road. No need to skip the watch: within 7 fast money.
Commuting time suggestion: get off at Fangcun Bus Terminal, take the 1 line at the opposite Kengkou subway station, transfer to Tiyu West Line 3, and walk to Gangding Station. It's near the Tianqu Library.