[NTG-context] Force an indent

All, How can I force an indent on my last paragraph? My attempt below does not work. I don't really want to redefine any setups, I just want an indent this one time. %output=pdf \starttext Again, we choose to multiply the fours, then the result by the square root of three. That is, \placeformula[-] \startformula 4(4\sqrt3) =16\sqrt3. \stopformula \indent By induction, we can argue that that the associative and commutative properties will allows us to group and arrange the product of more than three numbers in any order that we please. \stoptext