Step-by-step explanation:

HEY MATE YOUR ANSWER IS HERE ^_^

Given that

l = 40 cm

b = 30 cm

h = 20 cm

Volume of the box = l×b×h

Volume of the box = 40×30×20 cm^3

Volume of the box = 24000 cm^3

PLEASE MAKE ME A BRAINLIST ANSWER FOR THE QUESTION.

How are you? ? ? ? ? ? ? ? ? ? ?