There are several red balls and white balls. The number of red balls is 5 times the number of white balls. If 70 balls are taken from the red balls and 6 balls are taken from the white balls, the number of red balls and white balls is exactly the same. equal. Then how many red balls there are.
现有若干个红球和白球，红球的个数是白球的个数的5倍，若从红球中拿走70个，从白球中拿走6个，则红球与白球的个数正好相等．则原来有多少个红球．
<gadget id="calculator">70 - 6</gadget>
<output>64</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">16 * 5</gadget>
<output>80</output>

<result>80</result>