To build a canal, 35% of it has been built, and it is still 48 meters away from the midpoint. How many meters have been repaired?
要修一条水渠，已经修了35%，离中点还差48米．已经修了多少米？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(1/2) - (7/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">48 / (3/20)</gadget>
<output>320</output>

<gadget id="calculator">320 * (7/20)</gadget>
<output>112</output>

<result>112</result>