Li Hong has walked 160 meters from home to school, and there is still (7/15) left. How far is it from Li Hong's home to school?
李红从家到学校，已经走了160米，还剩(7/15)没有走．李红家到学校有多远？
<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">1 - (7/15)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">160 / (8/15)</gadget>
<output>300</output>

<result>300</result>