Hello im new!!

so im a girl 26 years old im like 5'5'' (1,65 cm) and i was always super thin like 115 lbs (50) or something, at the first i liked it but then i realized that it wasnt normal as parents and friends were telling me all the time, they were pushing me to eat more cause that wasnt normal i was too skinny.. , and i started hate my body for being so skinny... i tried to gain some weight i went to almost 132 lbs (60kg) and finally i was looking better, parents told me that too friends too. But lately i gained some more weight now im like 140 lbs (64kg)and people i know starting calling me fat... and thats crazy.. personally i still feel a little bit skinny my goal is to be 175 lbs. (80kg)any tips to gain weight ? also what should i do with these people calling me fat?... its kinda annoying...