An iron rod with a length of (4/5) meters weighs (7/10) kilograms. How much does an iron rod of 1 meter weigh in kilograms? What is the correct column
长为(4/5)米的铁棒重(7/10)千克，1米这样的铁棒重多少千克？正确列式是多少
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(7/10) / (4/5)</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>