package practise1.exercises

object Exercises3 {
  def main(args: Array[String]): Unit = {
    /*    练习 3：计算两个数

        定义：
        val a = 10
        val b = 20

        输出：
        10 + 20 = 30
        10 - 20 = -10
        10 * 20 = 200
        10 / 20 = 0.5*/

    val a = 10
    val b = 20

    println(s"${a}+${b} = ${a + b}")
    println(s"${a}-${b} = ${a - b}")
    println(s"${a}*${b} = ${a * b}")
    println(s"${a}/${b} = ${a.toDouble / b}")
  }

}