我的代码中一直出现这个错误：
spim：（parser）syntax error on line 62 of file C：/Users/Emili/Downloads/Hello World.s ldc1 $f2，32.0

.data
prompt: .asciiz "Enter temperature in Fahrenheit: "
result: .asciiz "The temperature in Celsius is: "
prompt2: .asciiz "Convert another temperature? (y/n): "
newline: .asciiz "\n"

.text
.globl main
.ent main

main:
    # Print prompt and read Fahrenheit temperature
    li $v0, 4
    la $a0, prompt
    syscall

    li $v0, 5
    syscall
    move $t0, $v0  # Save Fahrenheit temperature in $t0

    # Call conversion procedure
    jal convertToFahrenheit

    # Print the Celsius temperature
    li $v0, 4
    la $a0, result
    syscall

    li $v0, 2
    mov.s $f12, $f0  # Move Celsius temperature to $f12
    syscall

    # Ask if user wants another conversion
    li $v0, 4
    la $a0, prompt2
    syscall

    li $v0, 12
    syscall
    move $t1, $v0  # Save user's input in $t1

    # Check if input is 'y'
    li $t2, 'y'
    bne $t1, $t2, exit  # Exit program if input is not 'y'

    # Print newline
    li $v0, 4
    la $a0, newline
    syscall

    j main  # Start another iteration of the program

exit:
    # Program is finished running
    li $v0, 10
    syscall
.end main

# Conversion procedure
convertToFahrenheit:
    sub.s $f0, $f12, $f0
    ldc1 $f2, 32.0
    sub.s $f0, $f0, $f2
    ldc1 $f2, 9.0
    div.s $f0, $f0, $f2
    mul.s $f0, $f0, $f2
    jr $ra