I'm trying to find the hypotenuse here but I keep getting an error at "jal srt"

hypotenuse - Notepad .text -globl main main: li $a0,5 li \$a1, 6 calculations: mult $a0,$a0# Square $a0 mflo$t0#t0= Lower 32-bits of product mult $a1,$a1 \# square $a1 mflo$t1#t1= Lower 32-bits of product add $a0,$t0,$t1#a0=t0+t1 jal srt \# Call the square root function move $s0, $v0 \# By convention, the result of sqr # is returned in $v0 end: li $v0,10 syscall