To multiplications using parseFloat jQuery -


adding additional cost output

this taking total shipping costs, splitting individual packages , outputting total of combined packages. works (in addition too) add 20% output.

 var adjusted_total = parsefloat(rate[1]) * custom_packages;

try

var adjusted_total = parsefloat(rate[1]) * custom_packages; //if adjusted_total  = 100 adjusted_total *= 1.2 // give 120

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