8470 - 32314 : (71 + 16086) • 3778 + 23387 : 257 =
1. 71+1608616=16157 2. 32314:16157=2 3.2*3778=3556 4.23387:257=91 5.8470-3556=4914 6.91+4914=5005
8470-32314:(71+16086)×3778+23387÷257=5005