There are several red balls and green balls. If each group is grouped with 1 red ball and 2 green balls, the green balls are just enough, but there are 5 red balls left; if each group is grouped with 3 red balls and 5 green balls, There are just enough red balls, but there are 5 green balls left, how many red balls and green balls are there in total?
有红球和绿球若干个，如果按每组1个红球2个绿球分组，绿球恰好够用，但剩5个红球；如果按每组3个红球5个绿球分组，红球恰好够用，但剩5个绿球，则红球和绿球共有多少个．
<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">2 - (5/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 / (1/3)</gadget>
<output>45</output>

<gadget id="calculator">45 * 2</gadget>
<output>90</output>

<gadget id="calculator">90 - 10</gadget>
<output>80</output>

<gadget id="calculator">80 + 45</gadget>
<output>125</output>

<result>125</result>