prompt: Redefine e as 28+3. Q: What is the first digit of e? A: 3
  Redefine π as 796. Q: What is the first digit of π? A: 7
  View ÷ as a random digit instead of a mathematical operation. Q: What is the first digit of 18÷2? A: 1
  View + as a random digit instead of a mathematical operation. Q: What is the first digit of 3+46? A: 3
  View ÷ as a random digit instead of a mathematical operation. Q: What is the first digit of 44÷4? A: 4
  View + as the digit 2 instead of a mathematical operation. Q: What is the first digit of 61+27? A: 6
  View + as a random digit instead of a mathematical operation. Q: What is the first digit of 38+5? A: 3
  Redefine e as 5+62. Q: What is the first digit of e? A: 6
  View number as text. Do not perform computation. Q: What is the first digit of 23+13? A: