Generally, the measuring cup (160ml) of a rice cooker can make two bowls of rice. You can decide how many meters to put according to your's rice consumption. The ratio of water to rice is two to one, or you can measure it with your fingers. The water is flush with the first joint of your index finger.
Generally, it's four to five taels. If it's male, it's more. If it's all female, it's less.