Find the value of [682 ÷ {20 + 2 × (5 − 4)}].

Evaluate step by step:

$[682 \div {20 + 2 \times (5 - 4)}]$

First solve the bracket:
$(5 - 4) = 1$

Now:
$2 \times 1 = 2$

Then:
$20 + 2 = 22$

So the expression becomes:
$682 \div 22$

Now divide:
$682 \div 22 = 31$

Final Answer: 31