package main import fmt math big func main var x7 big Int var x5 big I

package main

import (
    "fmt"
    "math/big"
)

func main() {
    var x7 big.Int
    var x5 big.Int
    var he big.Int
    x7.MulRange(1, 70)
    x5.MulRange(1, 50)
    he.Sub(&x7, &x5)
    fmt.Println(&he)
}