I'll post this, maybe someone can decipher what some of these taxes and fees are for me. Even the agent that booked it couldn't tell me what all of them were, she had to send it over to ticketing to figure out

. I did guess right my ticket would be above 300 bucks in terms of taxes.
Routing is
HKG-BKK (TG J)
BKK-LHR (TG F)
LHR-CPH (SK J/stopover)
CPH-MUC (LH J)
MUC-BOS (LH F)
BOS-YYZ (AC Y/turnaround)
YYZ-ORD (UA F)
ORD-CDG (UA F/stopover)
CDG-FRA (LH J)
FRA-ICN (OZ F)
ICN-HKG (TG J)
Taxes, surcharges and airline fees per passenger (age of 2 and over)
25.91 Canada Security Charge (CA)
3.25 Canada Harmonized Sales Tax (HST #10009-2287) (RC)
337.50 Combined taxes, fees, charges and surcharges *for ClassicFlight, see fare calculation below (XT)
4.24 Additional Charge in US dollars
370.66 Total in Canadian Dollars
*Fare Calculation
HKG TG X/BKK Q4.24TG X/LON SK CPH M0.00LH X/MUC LHX/BOS AC YTO UA CHI M0.00UA PAR LH X/FRA OZ X/SEL TG HKGM0.00USD4.24 END ROE1.00 XT26.90UB15.60HK32.60US5.00AY16.10QX57.10IZ25.00SQ 9.20BP24.20FR10.00XA14.00XY11.00YC7.40DE