Four hats, each with three stripes, is 4*3=<<4*3=12>>12 stripes.
Three hats with four stripes each is 3*4=<<3*4=12>>12 stripes.
Six hats with no stripes is 6*0 = <<6*0=0>>0 stripes.
And two hats with 5 stripes each is 2*5=<<2*5=10>>10 stripes.
The combined total number of stripes Vaishali has on all of her hats is 12+12+0+10=<<12+12+0+10=34>>34 stripes.
#### 34