prompt: Redefine e as 8+7. Q: What is the first digit of e? A: 1
  View ÷ as a random digit instead of a mathematical operation. Q: What is the first digit of 9÷9? A: 9
  View ÷ as a random digit. Q: What is the first digit of 40÷5? A: 4
  View + as the digit 8 instead of a mathematical operation. Q: What is the first digit of 5+4? A: 5
  View ÷ as a random digit. Q: What is the first digit of 99÷9? A: 9
  Redefine π as 802 mod 49. Q: What is the first digit of π? A: 1
  Redefine π as 515 mod 21. Q: What is the first digit of π? A: 1
  Redefine π as 341+651. Q: What is the first digit of π? A: 9
  View + as the digit 6 instead of a mathematical operation. Q: What is the first digit of 51+10? A: