.text          # Text section of the program (as opposed to data).
      .globl main    # Make MAIN globl so you can refer to it in SPIM.
main:                # Program starts at MAIN.
      li    $t0,  27
      li    $t1, 380
      li    $t2, 401
      add   $t0, $t0, $t1
      sub   $t0, $t0, $t2

      li    $v0, 10  # Prepare to exit...
      syscall        #   ... Exit.