Mr. Wang bought 18 footballs with 600 yuan, leaving 6 yuan. How much is each soccer ball?
王老师带600元钱买了18个足球，剩下6元钱．每个足球多少钱？
<gadget id="calculator">600 - 6</gadget>
<output>594</output>

<gadget id="calculator">594 / 18</gadget>
<output>33</output>

<result>33</result>