4 meters are cut off from a rope, and the rest is just cut (1/4), how many meters are left? How much rice
一条绳子剪下4米，剩下的正好是剪下的(1/4)，剩下多少米？多少米
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">4 * (1/4)</gadget>
<output>1</output>

<result>1</result>