"Yili" brand milk contains about 275g of milk in each box, and the volume is 0.25 per cubic centimeter. From this, we can estimate the density of milk?

"Yili" brand milk contains about 275g of milk in each box, and the volume is 0.25 per cubic centimeter. From this, we can estimate the density of milk?

I'm sure it's 0.25ml. I think it should be 25ml, right?
Calculated by 25ml, milk density = 275g / 25ml = 11g / ml