Hi Maddie, we'd need to know how many grams each crispbread is.
I have some crispbreads and they're 12.5g per slice.
So the maths is: weight of crispbread x 0.6 = carbohydrate in crispbread
If your crispbreads are as heavy as mine you'd get: 12.5 x 0.6 = 7.5 g of carbs per crispbread
Ed