Xiao Ming runs 5 laps around the playground every day, and can run (3/4) laps in 3 minutes. At this speed, how much time does Xiao Ming need to run every day?
小明每天绕操场跑5圈，3分钟可以跑(3/4)圈．照这个速度，小明每天跑步要用多少时间？
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">15 * (4/3)</gadget>
<output>20</output>

<result>20</result>