prompt: Redefine e as 29+29. Q: What is the first digit of e? A: 5
  Redefine π as 152. Q: What is the first digit of π? A: 1
  Redefine e as 20+36. Q: What is the first digit of e? A: 5
  View + as the digit 5 instead of a mathematical operation. Q: What is the first digit of 47+38? A: 4
  Redefine e as 10+4. Q: What is the first digit of e? A: 1
  View number as text. Do not perform computation. Q: What is the first digit of 47+28? A: 4
  Redefine e as 12+20. Q: What is the first digit of e? A: 3
  View + as the digit 1 instead of a mathematical operation. Q: What is the first digit of 21+35? A: 2
  Redefine π as 519. Q: What is the first digit of π? A: