<span>318.87 cm of metal to be exact.</span>
This can help you to understand it
Multiplayer hdndhfbdhehdhrjrjf
Knowing 1+7 helps you find the sum of 7+1 because 1+7 and 7+1 is communitive property of addition. Also because 1+7 is the same answer as 7+1.
Ex:
1+7=8
And
7+1=8
its the same result.
