In the formula A/28=100...B, when the letter A is any number, the remainder is the largest.
在式子A/28=100…B中，字母A是多少时，余数最大．
<gadget id="calculator">100 * 28</gadget>
<output>2_800</output>

<gadget id="calculator">28 - 1</gadget>
<output>27</output>

<gadget id="calculator">2_800 + 27</gadget>
<output>2_827</output>

<result>2_827</result>