First take out its (4/7) light bulbs from a box, and then take out 48 light bulbs. At this time, the remaining light bulbs in the box are exactly the number of light bulbs in this box (3/14). How many light bulbs should you take out first?
一箱灯泡先拿出它的(4/7)，再拿出48个，这时箱内剩下的灯泡正好是这箱灯泡数的(3/14)，问先拿出几个灯泡？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">3 / 14</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">1 - (4/7) - (3/14)</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">48 / (3/14)</gadget>
<output>224</output>

<gadget id="calculator">224 * (4/7)</gadget>
<output>128</output>

<result>128</result>