A batch of 400 parts, all of which are qualified after inspection, how much the number of qualified parts accounts for the total number of parts in this batch.
一批零件400个，经检验全部合格，合格零件个数占这批零件总数的多少．
<gadget id="calculator">400 / 400</gadget>
<output>1</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">1 * 1</gadget>
<output>1</output>

<result>1</result>