Pranith recived an electric bill for the month of April. He started verifying it by calculating the electrical energy consumed by a 2000 W electrical appliance that is used for two hours every day in his workshop. In his house he used bulbs of 100 W for 4 hours every day in the month of april, which con-sumes the same electrical energy as that of the elec-trical appliance in the work shop. Find the number of bulbs Panith uses in his house.