The question is easily answered using the calculator in your computer. But, since you are obviously not capable of doing so, the answer is 0.476 approx.
Three divided by six is a half and eighteen divided by six is three
Six of anything divided by three is two of the same thing.
17
Three hundred forty two divided by six is fifty-seven.
six.
-6/7 divided by three is -0.285714285714
six and three tenths, or six point three
4.3
23.6
three
Nine divided by six times three times eighteen minus fifty divided by five = 71
47.1538462