bottling a wheat beer kit. sugar question

hi guys im bottling a wheat beer muntons kit today and im using the calculator on
http://www.tastybrew.com/calculators/priming.html
as reccomended by you guys.
last week i did a stout with about 3-4 ounces of sugar
now its calculating 8 ounces for my wheat beer. that seems high
btw this has an extra kg of dextrose in it. it has finished fermenting at about 1.010
the calculator asks what spedific kind of wheat beer it is. anyone know what the munton's kit is?
what about 8 oz of dextrose? will my bottles explode?

they won't explode because all of the sugar added before fermentation has been converted already.