var start = 12
printl(start)

start  +=  2; printl(start) // 14
start  -=  4; printl(start) // 10
start  *=  2; printl(start) // 20
start  /=  2; printl(start) // 10
start  %=  3; printl(start) // 1
start   = 10; printl(start) // 10
start  \=  3; printl(start) // 3
start **=  3; printl(start) // 27