Jerome has $43 x 2 = $<<43*2=86>>86.
After giving Meg $8, he had only $86 - $8 = $<<86-8=78>>78 left.
Then he gave Bianca $8 x 3 = $<<8*3=24>>24.
So, Jerome has only $78 - $24 = $<<78-24=54>>54 left.
#### 54