Bal b/f 253 Tempos+4 Tempos=253 Tempos Bal c/f
1,123,843KM-2,080KM=1,121,763KM
https://www.tkww.hk/a/202501/29/AP6799a7b7e4b04111a4a0c020.html
省到水電:Bal b/f TW$13,505+TW$365=TW$13,870 Bal c/f
https://www.singtaousa.com/2025-01-29/%E7%89%B9%E6%9C%97%E6%99%AE%E7%A6%81%E8%B7%A8%E6%80%A7%E5%88%A5%E8%80%85%E5%85%A5%E4%B