There are 75 goats on the pasture, and the number of goats in Mianyang is 20 more than four times that of goats. How many goats are there on the pasture?
草场上有山羊75只，绵阳的只数比山羊的4倍多20只，草场上有绵阳多少只？
<gadget id="calculator">75 * 4</gadget>
<output>300</output>

<gadget id="calculator">300 + 20</gadget>
<output>320</output>

<result>320</result>