(5/9) tons of cabbage can be exchanged for (5/7) tons of radishes, (3/4) tons of radishes can be exchanged for (5/8) tons of tomatoes, how many tons of tomatoes can be exchanged for one ton of cabbage.
(5/9)吨白菜可以换(5/7)吨的萝卜，(3/4)吨的萝卜可以换(5/8)吨西红柿，一吨白菜可以换多少吨西红柿．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(5/8) / (7/12)</gadget>
<output>15/14 = around 1.071429</output>

<result>15/14 = around 1.071429</result>