Would this be the correct way to define a port utilization?

# This is to calculate Switch utilization on Switches
SwUtil \
"Interface Bytes Received + Bytes Transmitted * 8 / Interface Clock Speed"
\
                  .1.3.6.1.2.1.2.2.1.10. .1.3.6.1.2.1.2.2.1.16. + 8 * \
                  .1.3.6.1.2.1.2.2.1.5. / 100 *