There are 178 black sheep in Yangcun, and 35 white sheep are 4 times less than black sheep. How many white sheep are there in Yangcun?
羊村有黑羊178只，白羊的只数比黑羊的4倍少35只．羊村有白羊多少只？
<gadget id="calculator">178 * 4</gadget>
<output>712</output>

<gadget id="calculator">712 - 35</gadget>
<output>677</output>

<result>677</result>