In a math competition, Xiaohua got (5/6) out of 18 questions right. How many questions did Xiaohua get right?
在一次数学竞赛中，小华做对了18道题中的(5/6)，小华做对了几道？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">18 * (5/6)</gadget>
<output>15</output>

<result>15</result>