prompt: View number as text. Do not perform computation. Q: What is the first digit of 19+29? A: 1
  View + as the digit 9 instead of a mathematical operation. Q: What is the first digit of 48+16? A: 4
  View number as text. Do not perform computation. Q: What is the first digit of 8+15? A: 8
  View number as text. Do not perform computation. Q: What is the first digit of 31+55? A: 3
  Redefine π as 788+113. Q: What is the first digit of π? A: 9
  Redefine π as 554+385. Q: What is the first digit of π? A: 9
  Redefine π as 336+251. Q: What is the first digit of π? A: 5
  Redefine π as 176+556. Q: What is the first digit of π? A: 7
  View + as the digit 7 instead of a mathematical operation. Q: What is the first digit of 49+21? A: