CALCULATOR <label> <a> <b> <op>Where
<label> is the name of the result to store the answer
to, <a> and <b> are numbers and
<op> is the operation to perform (can be +,
-, *, or /, for add, subtract, multiply,
and divide)./HEX switch is provided the answer will be given in
hexadecimal (base-16) notation.X to 7.5.X multiplied by 3.5 and store
the result in Y.X to be 2.5.X multiplied by Y and store
the result in hexadecimal notation in Z.X, Y, and Z?