A box of chess pieces. 4 and 4 lands count to 3, 6 and 6 lands count to 5, 15 and 15 lands count to 14. There are 150...200 chess pieces in this box. How many pieces are there in this box?
一盒围棋子．4颗4颗地数余3颗，6颗6颗地数余5颗，15颗15颗地数余14颗．这盒棋子在150…200颗之间，这盒棋子共有多少颗．
<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<gadget id="calculator">180 - 1</gadget>
<output>179</output>

<result>179</result>