1.15

print ("I need to know the cubic volume of a room so that I can calculate the correct amount of heat required to keep it at 18 degrees centigrade.")
print ("For that, I will input the height, length and width of the room in metres and ask this program to give me the cubic metres required.")
input1 = input("number1>")
input2 = input("number2>")
input3 = input("number3>")
number1 = float(input1)
number2 = float(input2)
number3 = float(input3)
result = number1*number2*number3
output = str(result)
print (input1 + "*" + input2 + "*" + input3 + " = " + output +  " metres")