项目明细调整

src/test/java/com/greenorange/promotion/bigdecimal/BT.java

@@ -0,0 +1,17 @@
+package com.greenorange.promotion.bigdecimal;
+
+import org.junit.jupiter.api.Test;
+
+import java.math.BigDecimal;
+
+public class BT {
+
+    @Test
+    public void test() {
+        BigDecimal b1 = new BigDecimal("0.72");
+        BigDecimal b2 = new BigDecimal("0.66");
+        BigDecimal b3 = new BigDecimal("0.44");
+        System.out.println(b1.multiply(b2).multiply(b3).multiply(b1).multiply(b1).multiply(b2));
+    }
+
+}