translation: Ví dụ, khi tính 32×26{\displaystyle 3{\sqrt {2}}\times 2{\sqrt {6}}}, đầu tiên ta cần tính 3×2 = 6{\displaystyle 3\times 2 = 6}.
translation: For example, if you are calculating 32Ã-26{\displaystyle 3{\sqrt {2}}\times 2{\sqrt {6}}}, you would first calculate 3Ã-2 = 6{\displaystyle 3\times 2 = 6}.