AIM: to calculate the no of saplings to be planted
REQUIREMENTS: knowledge about the type of sapling , table that is given above
PROCEDURE : 1. Decide the type of plant to be planted and then proceed
2. there would be a table that the government gives
EX] for marigold = 60*60
= 3600sq cm
In one acre = 43560sqft
= 1327708
No of saplings = acre of land / amount of land required by one plant