sketch_jul09a:22: error: stray '\342' in program

   float discomfortIndex = (1.8 * temperature) - (0.55 * (1 ?? humidity / 100.0) * (1.8 * temperature - 26)) + 32;

   ^

sketch_jul09a:22: error: stray '\200' in program

sketch_jul09a:22: error: stray '\223' in program

C:\Users\Administrator\Desktop\sketch_jul09a\sketch_jul09a.ino: In function 'void loop()':

sketch_jul09a:22: error: expected ')' before 'humidity'

   float discomfortIndex = (1.8 * temperature) - (0.55 * (1 ?? humidity / 100.0) * (1.8 * temperature - 26)) + 32;

                                                                ^

sketch_jul09a:22: error: expected ')' before ';' token

   float discomfortIndex = (1.8 * temperature) - (0.55 * (1 ?? humidity / 100.0) * (1.8 * temperature - 26)) + 32;

                                                                                                                  ^

exit status 1
stray '\342' in program

+SimpleDHT 깔아서 다시 했지만 이런 메시지가 나타나면서 안돼요ㅠㅠ