ext_if="vr0"
int_if="re0"
dmz_if="re1"
ext_if2="re2"

ext_gw1="64.89.99.99"
ext_gw2="24.214.88.88"

nat on $ext_if from {192.168.92.0/24, 192.168.93.0/24, 192.168.94.0/24} to any -> 64.89.99.99
nat on $ext_if2 from {192.168.92.0/24, 192.168.93.0/24, 192.168.94.0/24} to any -> 24.214.88.88

pass out on $ext_if route-to ($ext_if2 $ext_gw2) from $ext_if2 to any
pass out on $ext_if2 route-to ($ext_if $ext_gw1) from $ext_if to any