Respuesta :

Multiple: 15 * 3 = 45
Multiple: 15 * 12 = 180
Add: 45 + 180 = 225
Unary plus: +15 = 15
Multiple: 225 * 15 = 3375
= (3375)
Multiple: 5 * 7 = 35
Add: +(35) = 35
= (35)