How to calculate value of expressions when $a=22$

Round the answer to three significant figures:

$\frac{77}{3a}$

for this one I am not sure if I do $\frac{77}{3(22)}}=1.17$ or $\frac{77}{3(22)}}=56$

Sorry if this is written in a confusing way.

Round the answer to three significant figures:

$\frac{77}{3a}$

for this one I am not sure if I do $\frac{77}{3(22)}}=1.17$ or $\frac{77}{3(22)}}=56$

Sorry if this is written in a confusing way.