Allright, calm Empoleon needs 236 HP toaximize leftovers, and 136 Hp doesnt cut it for Careful Tangrowth. Tangrowth either needs to cut some of those HP EV's, or add some more. So: either add: 36 more EV's into HP, or subtract 24 EV's from HP...
Ill run some damage calsc to maximize LO.
And licklicky, ill look onto that ok? :)