Math Problem!! Solid Figures and Volume

24.A quarter of a rectangular tank is filled with oil. The space remaining in the tank measures 80cm by 14cm by 8 cm. Find the Volume of the tank.

26. 3/4 of a rectangular tank, measuring 40cm by 12cm by 4cm is filled wif water a cubic tank of side 20cm is filled with water to the height of 6 cm. The water in the cubic tank is then transferred to the rectangular tank. Can the rectangular tank be fully-filled? If your answer is yes, what is the volume of water left in the cubic tank?