Timer in 8051

Given:

MOV TMOD, #01H ; set timer0 to mode 1

MOV TMOD, #10H ; set timer1 to mode 1

MOV IE, #8A ; timer0 enable, timer1 enable, global enable

MOV TL0, #55 ; load timer0 with value 0x4455

MOV TH0, #44

MOV TL1, #77 ; load timer1 with value 0x6677

MOV TH1, #66

SETB TR0 ; start timer0

SETB TR1 ; start timer1

1. Calculate the time that will elapse before timer 0 interrupt is triggered

2. Calculate the time that will elapse before timer 1 interrupt is triggered