打算盘 meaning in English

1.(用算盘计算) calculate on an abacus
2.(合计, 盘算) calculate; deliberate 短语和例子

Put down three and carry five . what is that
也许就在醉鬼身上打打算盘吧。
How convenient . the morning you call in sick , i turn on the tv
真会打算盘，你请病假的那天早上我一打开电视
I can use abacus skillfully
我会熟练地打算盘。
Ex . 1 ： mrs . li is really a shrewd lady . she can cook one jin of ribs into various dishes and feed the whole family with meat for a couple of days
例1 ：李太太真会打算盘，买一斤排骨可以做好几个花样来吃，一家人好几天都在吃肉。