1000+6784+5679-1234•987=?​

Question

1000+6784+5679-1234•987=?​

Answer 1

1000+6784+5679-1234×987= −1204495

1) 1234×987=1217958

2) 1000+6784+5679=13463

3) 13463-1217958= −1204495