Cut the 42-meter-long iron wire into equal small pieces, each piece is (6/7) meters long, how many pieces can it be cut into?
把42米长的铁丝截成相等的小段，每段长(6/7)米，可以截成几段？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">42 / (6/7)</gadget>
<output>49</output>

<result>49</result>