A certain construction site has shipped a batch of goods, 200 tons have been shipped, and the rest is three times the amount that has been shipped. If the rest is shipped in 4 batches, how many tons will be shipped each time on average?
某工地运一批货物，已经运了200吨，剩下的是已运的3倍．如果剩下的分4次运完，平均每次要运多少吨？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">200 * (3/4)</gadget>
<output>150</output>

<result>150</result>