/ ip address
add address=192.168.0.2/24 network=192.168.0.0 broadcast=192.168.0.255 interface=Local
add address=10.0.0.10/24 network=10.0.0.0 broadcast=10.0.0.255 interface=wan2
add address=7.7.7.10/24 network=7.7.7.0 broadcast=7.7.7.255 interface=wan1
/ ip route
add dst-address=0.0.0.0/0 gateway=7.7.7.7,10.0.0.138 check-gateway=ping
/ ip firewall nat
add chain=srcnat out-interface=wan1 action=masquerade
add chain=srcnat out-interface=wan2 action=masquerade
/ ip firewall mangle
add chain=input in-interface=wan1 action=mark-connection new-connection-mark=wlan1_conn
add chain=input in-interface=wan2 action=mark-connection new-connection-mark=wlan2_conn
add chain=output connection-mark=wlan1_conn action=mark-routing new-routing-mark=to_wla1
add chain=output connection-mark=wlan2_conn action=mark-routing new-routing-mark=to_wla2
/ ip route
add dst-address=0.0.0.0/0 gateway=7.7.7.7 routing-mark=to_wla1
add dst-address=0.0.0.0/0 gateway=10.0.0.138 routing-mark=to_wla2