There are more than 100 balls in the school. If every 15 balls are packed in a box, there will be 10 balls left; if every 20 balls are packed in a box, there will be 10 balls left. How many balls are there in the school?
学校有100多个球，如果每15个装一箱，还剩10个；如果每20个装一箱，也剩10个．学校共有多少个球？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">120 + 10</gadget>
<output>130</output>

<result>130</result>