user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x11(%rbp),%rax
  mov    %rax,%rsi
  lea    D46(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D112(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x10(%rbp),%rax
  mov    %rax,%rsi
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D44(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movzbl -0x11(%rbp),%eax
  cmp    $0x41,%al
  je     L47
  movzbl -0x11(%rbp),%eax
  cmp    $0x61,%al
  jne    L103
L47:
  movss  -0x10(%rbp),%xmm1
  movss  -0xc(%rbp),%xmm0
  addss  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movss  -0xc(%rbp),%xmm0
  cvtss2sd %xmm0,%xmm0
  movss  -0x10(%rbp),%xmm2
  pxor   %xmm3,%xmm3
  cvtss2sd %xmm2,%xmm3
  movq   %xmm3,%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  lea    D149(%rip),%rax
  mov    %rax,%rdi
  mov    $0x3,%eax
  call   <printf@plt>
  jmp    L28
L103:
  movzbl -0x11(%rbp),%eax
  movsbq %al,%rax
  mov    %rax,%rdx
  lea    D80(%rip),%rax
  cmp    %rax,%rdx
  je     L34
  movzbl -0x11(%rbp),%eax
  movsbq %al,%rax
  mov    %rax,%rdx
  lea    D62(%rip),%rax
  cmp    %rax,%rdx
  jne    L69
L34:
  movss  -0x10(%rbp),%xmm0
  movss  -0xc(%rbp),%xmm1
  subss  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movss  -0xc(%rbp),%xmm0
  cvtss2sd %xmm0,%xmm0
  movss  -0x10(%rbp),%xmm2
  pxor   %xmm4,%xmm4
  cvtss2sd %xmm2,%xmm4
  movq   %xmm4,%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  lea    D123(%rip),%rax
  mov    %rax,%rdi
  mov    $0x3,%eax
  call   <printf@plt>
  jmp    L28
L69:
  movzbl -0x11(%rbp),%eax
  movsbq %al,%rax
  mov    %rax,%rdx
  lea    D53(%rip),%rax
  cmp    %rax,%rdx
  je     L45
  movzbl -0x11(%rbp),%eax
  movsbq %al,%rax
  mov    %rax,%rdx
  lea    D2(%rip),%rax
  cmp    %rax,%rdx
  jne    L125
L45:
  movss  -0x10(%rbp),%xmm1
  movss  -0xc(%rbp),%xmm0
  mulss  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movss  -0xc(%rbp),%xmm0
  cvtss2sd %xmm0,%xmm0
  movss  -0x10(%rbp),%xmm2
  pxor   %xmm5,%xmm5
  cvtss2sd %xmm2,%xmm5
  movq   %xmm5,%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  lea    D123(%rip),%rax
  mov    %rax,%rdi
  mov    $0x3,%eax
  call   <printf@plt>
  jmp    L28
L125:
  movzbl -0x11(%rbp),%eax
  movsbq %al,%rax
  mov    %rax,%rdx
  lea    D118(%rip),%rax
  cmp    %rax,%rdx
  je     L94
  movzbl -0x11(%rbp),%eax
  movsbq %al,%rax
  mov    %rax,%rdx
  lea    D78(%rip),%rax
  cmp    %rax,%rdx
  jne    L66
L94:
  movss  -0x10(%rbp),%xmm0
  movss  -0xc(%rbp),%xmm1
  divss  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movss  -0xc(%rbp),%xmm0
  cvtss2sd %xmm0,%xmm0
  movss  -0x10(%rbp),%xmm2
  pxor   %xmm6,%xmm6
  cvtss2sd %xmm2,%xmm6
  movq   %xmm6,%rax
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  mov    $0x3,%eax
  call   <printf@plt>
  jmp    L28
L66:
  lea    D142(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L28:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L91
  call   <__stack_chk_fail@plt>
L91:
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D49
type_infered: string
name: parse_data
arguments: label: D46
type_infered: string
name: parse_data
arguments: label: D112
type_infered: string
name: parse_data
arguments: label: D9
type_infered: string
name: parse_data
arguments: label: D44
type_infered: string
name: parse_data
arguments: label: D149
type_infered: string
name: parse_data
arguments: label: D80
type_infered: string
name: parse_data
arguments: label: D62
type_infered: string
name: parse_data
arguments: label: D123
type_infered: string
name: parse_data
arguments: label: D53
type_infered: string
name: parse_data
arguments: label: D2
type_infered: string
name: parse_data
arguments: label: D118
type_infered: string
name: parse_data
arguments: label: D78
type_infered: string
name: parse_data
arguments: label: D54
type_infered: string
name: parse_data
arguments: label: D142
type_infered: string

tool: D49: What operation do you want to do?
	A) Addition
	B) Subtraction
	C) Multiplication
	D) Division

tool: D46: %c

tool: D112: Please enter a number: 

tool: D9: %f

tool: D44: Please enter another number: 

tool: D149: The sum of %.2f and %.2f is %.2f.


tool: D80: B

tool: D62: b

tool: D123: The difference of %.2f and %.2f is %.2f.


tool: D53: C

tool: D2: c

tool: D118: D

tool: D78: d

tool: D54: The quotient of %.2f and %.2f is %.2f.


tool: D142: Sorry, that's an invalid character.

assistant: ```c
int main() {
  char letter;
  float num1, num2;
  printf("What operation do you want to do?\n\tA) Addition\n\tB) Subtraction\n\tC) Multiplication\n\tD) Division");
  scanf("%c", &letter);
  printf("Please enter a number: ");
  scanf("%f", &num1);
  printf("Please enter another number: ");
  scanf("%f", &num2);
  if (letter == 'A' || letter == 'a') {
    printf("The sum of %.2f and %.2f is %.2f.\n", num1, num2, num1 + num2);
  } else if (letter == "B" || letter == "b") {
    printf("The difference of %.2f and %.2f is %.2f.\n", num1, num2, num1 - num2);
  } else if (letter == "C" || letter == "c") {
    printf("The difference of %.2f and %.2f is %.2f.\n", num1, num2, num1 * num2);
  } else if (letter == "D" || letter == "d") {
    printf("The quotient of %.2f and %.2f is %.2f.\n", num1, num2, num1 / num2);
  } else {
    printf("Sorry, that's an invalid character.");
  }
  return 0;
}
```