def get_integral(self, lower_bound, upper_bound):
    result = TexMobject('\\int', ('^' + upper_bound), ('_' + lower_bound), 't(8-t)', '\\,dt')
    result.next_to(self.graph_origin, RIGHT, MED_LARGE_BUFF)
    result.to_edge(UP)
    return result
def get_integral(self, lower_bound, upper_bound):
    result = TexMobject('\\int', ('^' + upper_bound), ('_' + lower_bound), 't(8-t)', '\\,dt')
    result.next_to(self.graph_origin, RIGHT, MED_LARGE_BUFF)
    result.to_edge(UP)
    return result