18. Three balls are packaged in a cylindrical container as shown below. The balls just touch the top, bottom and sides of the cylinder. The diameter of each ball is 16 cm. What is the volume of the cylinder rounded to the nearest cm. ENTER NUMBERS ONLY. DO NOT PUT THE UNITS18. Three balls are packaged in a cylindrical container as shown below. The balls * just touch the top, bottom and sides of the cylinder. The diameter of each ball is 16 cm. What is the volume of the cylinder rounded to the nearest cm. ENTER NUMBERS ONLY. DO NOT PUT THE UNITS