To assemble 210 computers, it has been installed for 6 days, 15 computers are assembled every day, and the rest are installed in an average of 5 days, how many computers are assembled every day?
要装配210台电脑，已经装了6天，每天装配15台，剩下的平均5天装完，每天装配多少台？
<gadget id="calculator">6 * 15</gadget>
<output>90</output>

<gadget id="calculator">210 - 90</gadget>
<output>120</output>

<gadget id="calculator">120 / 5</gadget>
<output>24</output>

<result>24</result>