A steel pipe is (5/8) meters long. Dad saw the steel pipe 4 times, and each section was the same length. The length of each section is the size of the original steel pipe.
一根钢管长(5/8)米．爸爸把这根钢管锯了4次，锯下的每一段同样长．每段长是原来这根钢管的多少．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>