1, the calculation of 9 points containing tax, that is, the calculation of 9 percent VAT tax, can be calculated in this way, first look at the type of calculation of the tax, and then look for the calculation of the tax, in general, the calculation of the tax is to multiply the tax base by the tax rate, to get the tax amount.
2. To calculate the 9 percent VAT tax, you can multiply the price of the goods or services that the consumer wants to calculate by 9 percent. For example, the consumer needs to buy a price of 1,000 yuan of goods, pay 9 percent VAT, the amount of VAT tax paid belongs to the type of goods, that is, multiply 1,000 yuan by 9 percent, which is equal to 90 yuan, to calculate the amount of VAT tax is 90 yuan.