void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  // 第一題
  float mid_score = 80 * 0.2;
  float final_score = 80 * 0.3;
  float homework_score = 3.2 * 8 * 0.4;
  float other_score = 80 * 0.1;
  float total_score = mid_score + final_score + homework_score + other_score;
  Serial.print("Total score is: ");
  Serial.println(total_score);

  // 第二題
  float ms = 90 * 0.2;
  float fs = 90 * 0.3;
  float hs = 3.2 * 4 * 0.4;
  float os = 70 * 0.1;
  float ts = ms + fs + hs + os;
  Serial.print("Total score is: ");
  Serial.println(ts);

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}