put result on its own row

index.html

@@ -10,12 +10,13 @@
 			<label for="expr">Expression</label>
 			<input id="expr" required type="text" />
 
-			<div id="result-row">
-				<output id="result" for="expr modulus"></output>
+			<div id="modulus-row">
 				<label for="modulus">mod</label>
 				<input id="modulus" required type="number" min="1" step="1" />
 			</div>
 
+			<output id="result" for="expr modulus"></output>
+
 			<div id="extra-buttons">
 				<button id="sqrt" type="button">√</button>
 				<button id="inv" type="button">x<sup>-1</sup></button>