What is the addition formula of (5/18)*3?
把(5/18)*3写成加法算式是多少．
<gadget id="calculator">5 / 18</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">(5/18) + (5/18) + (5/18)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>