diff --git a/1007.py b/1007.py
new file mode 100644
index 0000000..abc0df3
--- /dev/null
+++ b/1007.py
@@ -0,0 +1,7 @@
+n1 = int(input())
+n2 = int(input())
+n3 = int(input())
+n4 = int(input())
+diferenca = (n1 * n2) - (n3 * n4)
+print(f'DIFERENCA = {diferenca}')
+print(end='')