The ((())/(())) of 50 is 35, how many meters is (4/5) in (1/2) meters.
50的((())/(()))是35，(1/2)米是多少米的(4/5)．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>