On the weekend morning, Pleasant Goat and Beautiful Goat went to practice running. The Pleasant Goat is 120m per minute, and the Beautiful Goat is 90m per minute. The Beautiful Goat ran for half an hour longer, but it ended up running 1.2 times the total distance of Pleasant Goat. How many m did Pleasant Goat run?
周末早晨，喜羊羊和美羊羊去练习跑步．喜羊羊每分钟120m，美羊羊每分钟90m，美羊羊多跑了半小时，结果跑了喜羊羊总路程的1.2倍，喜羊羊跑了多少m．
<gadget id="calculator">90 * 30</gadget>
<output>2_700</output>

<gadget id="calculator">120 * 1.2</gadget>
<output>144</output>

<gadget id="calculator">144 - 90</gadget>
<output>54</output>

<gadget id="calculator">2_700 / 54</gadget>
<output>50</output>

<gadget id="calculator">120 * 50</gadget>
<output>6_000</output>

<result>6_000</result>