kotlin-coroutines-stories-09-suspend-function-sumThreeRandomNumbers-explicit-withContext.kt

private suspend fun sumThreeRandomNumbers(operation: String): Int {
    val sum = withContext(Dispatchers.Default) {
        val r1 = async { myRandomNumberFail(operation) }
        val r2 = async { myRandomNumberSuccess(operation) }
        val r3 = async { myRandomNumberSuccess(operation) }

        r1.await() + r2.await() + r3.await()
    }

    return sum
}