Cut a 4-meter-long wooden stick 5 times and cut it into equal lengths. What is the length of each section?
把4米长的木棍截5次，截成相等的长度，则每段长多少米．
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>