Master Li processed 120 parts in 15 days. According to this calculation, how many parts can he process in 30 days.
李师傅15天加工了120个零件．照这样计算，他30天可加工多少个零件．
<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<gadget id="calculator">8 * 30</gadget>
<output>240</output>

<result>240</result>