here is the dateset:
[{"student":"jerry","NAME_1":102,"math":123,"englisth":99,"gender":"boy"},{"student":"NAME_2","NAME_1":110,"math":120,"englisth":130,"gender":"boy"},{"student":"lily","NAME_1":100,"math":120,"englisth":130,"gender":"girl"}]

Please produce Python Pandas command to calculate the sum of NAME_1 and math(only boys), and rank it from high to low