Weightloss problem please help!!

I am a mom of a 16 month old .... He was a small baby when he was born but the dr said when I was pregnant with him I had 40%  more amniotic fluid then normal so when I was full term I went from (before baby weight  115 to 9 month preg 180) and I have found that is very hard to get the extra weight/skin off I have struggled with trying to get this weight off for the last year and a half my question for y'all is do any of you guys have any tricks or a workout tips that will help me get this extra weight off… I have managed to get from 180 to 144 but my goal is to get down to 130 as fast as possible please help below I will add some photos of my before pregnancy weight and my weight at nine months pregnant so you guys can see what I mean​my weight when I first found out that I was pregnant