Forgot to turn off the gas stove switch, but the gas valve off what are the consequences?

This should be from the gas stove valve in use to distinguish. When not in use under the gas stove in the situation is safe. Because the gas route is to go through the gas valve and then after stoves, if the valve is closed there is no gas stoves through. But if it is the case both eyes kitchen stove is in use and the other of which has a valve opens distinguished. If you are with a stove flame protection device with automatic protection devices because there is no shut-off valve on the side stoves gas leak does not occur. But do not have stoves flameout protection device eyes as with stoves will appear on the right side of the stove cooking, left the stove will always leak phenomenon. This is very dangerous. Even with stoves flameout protection device is not recommended without closing the two valves on the stove. Valves on the stove valves and piping must be closed with the end to ensure safety.